Clean up some temp config

Marlin/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/default/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/3DFabXYZ/Migbot/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 5   // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME      5  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 5   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  5  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/AlephObjects/TAZ4/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 250
 #define HEATER_1_MAXTEMP 250
 #define HEATER_2_MAXTEMP 250
 #define HEATER_3_MAXTEMP 250
 #define HEATER_4_MAXTEMP 250
 #define HEATER_5_MAXTEMP 250
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/AliExpress/CL-260/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/AliExpress/UM2pExt/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 130
+#define BED_MAXTEMP      130
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Anet/A2/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Anet/A2plus/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Anet/A6/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 130
+#define BED_MAXTEMP      130
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Anet/A8/Configuration.h

@@ -389,37 +389,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 6   // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME      6  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 6   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  6  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 130
+#define BED_MAXTEMP      130
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/AnyCubic/i3/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/ArmEd/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Azteeg/X5GT/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/BIBO/TouchX/cyclops/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 285
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 115
+#define BED_MAXTEMP      115
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/BIBO/TouchX/default/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 115
+#define BED_MAXTEMP      115
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/BQ/Hephestos/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 260
 #define HEATER_1_MAXTEMP 260
 #define HEATER_2_MAXTEMP 260
 #define HEATER_3_MAXTEMP 260
 #define HEATER_4_MAXTEMP 260
 #define HEATER_5_MAXTEMP 260
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/BQ/Hephestos_2/Configuration.h

@@ -396,30 +396,27 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 230
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/BQ/WITBOX/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 260
 #define HEATER_1_MAXTEMP 260
 #define HEATER_2_MAXTEMP 260
 #define HEATER_3_MAXTEMP 260
 #define HEATER_4_MAXTEMP 260
 #define HEATER_5_MAXTEMP 260
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Cartesio/Configuration.h

@@ -389,37 +389,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 4   // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME      4  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 1   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  1  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 415
 #define HEATER_1_MAXTEMP 415
 #define HEATER_2_MAXTEMP 415
 #define HEATER_3_MAXTEMP 415
 #define HEATER_4_MAXTEMP 415
 #define HEATER_5_MAXTEMP 415
-#define BED_MAXTEMP 165
+#define BED_MAXTEMP      165
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Creality/CR-10/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 120
+#define BED_MAXTEMP      120
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Creality/CR-10S/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 250
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 120
+#define BED_MAXTEMP      120
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Creality/CR-10_5S/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 265
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 120
+#define BED_MAXTEMP      120
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Creality/CR-10mini/Configuration.h

@@ -397,37 +397,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 120
+#define BED_MAXTEMP      120
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Creality/CR-8/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Creality/Ender-2/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 75
+#define BED_MAXTEMP       75
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Creality/Ender-3/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 125
+#define BED_MAXTEMP      125
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Creality/Ender-4/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Einstart-S/Configuration.h

@@ -390,37 +390,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Felix/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 15  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     15  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Felix/DUAL/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 15  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     15  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/FlashForge/CreatorPro/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/FolgerTech/i3-2020/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 245
 #define HEATER_1_MAXTEMP 245
 #define HEATER_2_MAXTEMP 245
 #define HEATER_3_MAXTEMP 245
 #define HEATER_4_MAXTEMP 245
 #define HEATER_5_MAXTEMP 245
-#define BED_MAXTEMP 115
+#define BED_MAXTEMP      115
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Formbot/Raptor/Configuration.h

@@ -433,38 +433,35 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 290
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #if ENABLED(BED_AC)
-  #define BED_MAXTEMP 150
+  #define BED_MAXTEMP      150
 #else
-  #define BED_MAXTEMP 100
+  #define BED_MAXTEMP      100
 #endif
 
 //===========================================================================

config/examples/Formbot/T_Rex_2+/Configuration.h

@@ -403,37 +403,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 410
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Formbot/T_Rex_3/Configuration.h

@@ -397,37 +397,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 410
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Geeetech/A10M/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Geeetech/A20M/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Geeetech/GT2560/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Geeetech/I3_Pro_X-GT2560/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Geeetech/MeCreator2/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Geeetech/Prusa i3 Pro B/bltouch/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 125
+#define BED_MAXTEMP      125
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Geeetech/Prusa i3 Pro B/noprobe/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 125
+#define BED_MAXTEMP      125
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Geeetech/Prusa i3 Pro C/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Geeetech/Prusa i3 Pro W/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Infitary/i3-M508/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 125
+#define BED_MAXTEMP      125
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/JGAurora/A5/Configuration.h

@@ -393,37 +393,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 265
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 120
+#define BED_MAXTEMP      120
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/MakerParts/Configuration.h

@@ -408,37 +408,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Malyan/M150/Configuration.h

@@ -396,37 +396,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Malyan/M200/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 250
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 100
+#define BED_MAXTEMP      100
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Micromake/C1/basic/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Micromake/C1/enhanced/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Mks/Robin/Configuration.h

@@ -389,37 +389,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Mks/Sbase/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Printrbot/PrintrboardG2/Configuration.h

@@ -389,37 +389,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/RapideLite/RL200/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 250
 #define HEATER_1_MAXTEMP 250
 #define HEATER_2_MAXTEMP 250
 #define HEATER_3_MAXTEMP 250
 #define HEATER_4_MAXTEMP 250
 #define HEATER_5_MAXTEMP 250
-#define BED_MAXTEMP 120
+#define BED_MAXTEMP      120
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/RepRapPro/Huxley/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/RepRapWorld/Megatronics/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/RigidBot/Configuration.h

@@ -391,37 +391,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 //#define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/SCARA/Configuration.h

@@ -419,37 +419,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 3  // (seconds)
-#define TEMP_HYSTERESIS 2       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME 3  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_HYSTERESIS 2       // (°C) Temperature proximity considered "close enough" to the target
+#define TEMP_WINDOW     1       // (°C) Temperature proximity for the "temperature reached" timer
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/STM32F10/Configuration.h

@@ -389,37 +389,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/STM32F4/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Sanguinololu/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/TheBorg/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/TinyBoy2/Configuration.h

@@ -415,37 +415,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 250
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 100
+#define BED_MAXTEMP      100
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Tronxy/X1/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 260
 #define HEATER_1_MAXTEMP 260
 #define HEATER_2_MAXTEMP 260
 #define HEATER_3_MAXTEMP 260
 #define HEATER_4_MAXTEMP 260
 #define HEATER_5_MAXTEMP 260
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Tronxy/X3A/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 130
+#define BED_MAXTEMP      130
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Tronxy/X5S-2E/Configuration.h

@@ -390,30 +390,27 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 // Tronxy X5S-2E:
 // WARNING: Never exceed 260C. The OEM stock model uses low temperature heat breaks with PTFE-lining.
 #define HEATER_0_MAXTEMP 260
@@ -424,7 +421,7 @@
 #define HEATER_5_MAXTEMP 260
 // Tronxy X5S-2E:
 // The OEM stock model uses a clone MK3a 300 @ 12V with no insulation and can reach a maximum 70C at 25C ambient.
-#define BED_MAXTEMP 81
+#define BED_MAXTEMP       81
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Tronxy/X5S/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Tronxy/XY100/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/UltiMachine/Archim1/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/UltiMachine/Archim2/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/VORONDesign/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Velleman/K8200/Configuration.h

@@ -408,37 +408,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Velleman/K8400/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 2   // (seconds)
-#define TEMP_HYSTERESIS 5       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME      2  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          5  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Velleman/K8400/Dual-head/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 2   // (seconds)
-#define TEMP_HYSTERESIS 5       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME 2   // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_HYSTERESIS 5       // (°C) Temperature proximity considered "close enough" to the target
+#define TEMP_WINDOW     1       // (°C) Temperature proximity for the "temperature reached" timer
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/WASP/PowerWASP/Configuration.h

@@ -407,37 +407,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 5  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME      5  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 230
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/Wanhao/Duplicator 6/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 260
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 120
+#define BED_MAXTEMP      120
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/adafruit/ST7565/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/delta/Anycubic/Kossel/Configuration.h

@@ -409,37 +409,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 120
+#define BED_MAXTEMP      120
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/delta/FLSUN/auto_calibrate/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 5
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 1   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  1  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 250
 #define HEATER_1_MAXTEMP 250
 #define HEATER_2_MAXTEMP 250
 #define HEATER_3_MAXTEMP 250
 #define HEATER_4_MAXTEMP 250
 #define HEATER_5_MAXTEMP 250
-#define BED_MAXTEMP 115
+#define BED_MAXTEMP      115
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/delta/FLSUN/kossel/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 5
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 1   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  1  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 250
 #define HEATER_1_MAXTEMP 250
 #define HEATER_2_MAXTEMP 250
 #define HEATER_3_MAXTEMP 250
 #define HEATER_4_MAXTEMP 250
 #define HEATER_5_MAXTEMP 250
-#define BED_MAXTEMP 115
+#define BED_MAXTEMP      115
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/delta/FLSUN/kossel_mini/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 5
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 1   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  1  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/delta/Geeetech/Rostock 301/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/delta/Hatchbox_Alpha/Configuration.h

@@ -393,37 +393,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/delta/MKS/SBASE/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/delta/Tevo Little Monster/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 1  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  1  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/delta/generic/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/delta/kossel_mini/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 5
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/delta/kossel_pro/Configuration.h

@@ -392,37 +392,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/delta/kossel_xl/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/gCreate/gMax1.5+/Configuration.h

@@ -396,37 +396,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 16  // (seconds)
-#define TEMP_HYSTERESIS 12      // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     5       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     16  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              5  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS         12  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 245
 #define HEATER_1_MAXTEMP 245
 #define HEATER_2_MAXTEMP 245
 #define HEATER_3_MAXTEMP 245
 #define HEATER_4_MAXTEMP 245
 #define HEATER_5_MAXTEMP 245
-#define BED_MAXTEMP 115
+#define BED_MAXTEMP      115
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/makibox/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/stm32f103ret6/Configuration.h

@@ -389,37 +389,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/tvrrug/Round2/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================

config/examples/wt150/Configuration.h

@@ -388,37 +388,34 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5
-#define HEATER_1_MINTEMP 5
-#define HEATER_2_MINTEMP 5
-#define HEATER_3_MINTEMP 5
-#define HEATER_4_MINTEMP 5
-#define HEATER_5_MINTEMP 5
-#define BED_MINTEMP 5
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
+#define HEATER_0_MINTEMP   5
+#define HEATER_1_MINTEMP   5
+#define HEATER_2_MINTEMP   5
+#define HEATER_3_MINTEMP   5
+#define HEATER_4_MINTEMP   5
+#define HEATER_5_MINTEMP   5
+#define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
 #define HEATER_4_MAXTEMP 275
 #define HEATER_5_MAXTEMP 275
-#define BED_MAXTEMP 150
+#define BED_MAXTEMP      150
 
 //===========================================================================
 //============================= PID Settings ================================