From eb714ee87372e9c9d2f768e860bbb7f3325c8463 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <sourcetree@thinkyhead.com>
Date: Fri, 18 Nov 2016 22:22:04 -0600
Subject: [PATCH] Move dummy thermistor opts, fix redundant sensor comment

---
 Marlin/Configuration.h                                     | 7 ++++++-
 Marlin/example_configurations/Cartesio/Configuration.h     | 7 ++++++-
 Marlin/example_configurations/Felix/Configuration.h        | 7 ++++++-
 Marlin/example_configurations/Felix/DUAL/Configuration.h   | 7 ++++++-
 Marlin/example_configurations/Hephestos/Configuration.h    | 7 ++++++-
 Marlin/example_configurations/Hephestos_2/Configuration.h  | 7 ++++++-
 Marlin/example_configurations/K8200/Configuration.h        | 7 ++++++-
 Marlin/example_configurations/K8400/Configuration.h        | 7 ++++++-
 .../example_configurations/K8400/Dual-head/Configuration.h | 7 ++++++-
 .../RepRapWorld/Megatronics/Configuration.h                | 7 ++++++-
 Marlin/example_configurations/RigidBot/Configuration.h     | 7 ++++++-
 Marlin/example_configurations/SCARA/Configuration.h        | 7 ++++++-
 Marlin/example_configurations/TAZ4/Configuration.h         | 7 ++++++-
 Marlin/example_configurations/WITBOX/Configuration.h       | 7 ++++++-
 .../example_configurations/adafruit/ST7565/Configuration.h | 7 ++++++-
 Marlin/example_configurations/delta/biv2.5/Configuration.h | 7 ++++++-
 .../example_configurations/delta/generic/Configuration.h   | 7 ++++++-
 .../delta/kossel_mini/Configuration.h                      | 7 ++++++-
 .../delta/kossel_pro/Configuration.h                       | 7 ++++++-
 .../example_configurations/delta/kossel_xl/Configuration.h | 7 ++++++-
 Marlin/example_configurations/makibox/Configuration.h      | 7 ++++++-
 .../example_configurations/tvrrug/Round2/Configuration.h   | 7 ++++++-
 22 files changed, 132 insertions(+), 22 deletions(-)

diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 3a07f6a590..382247479e 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -252,7 +252,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 0
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
diff --git a/Marlin/example_configurations/Cartesio/Configuration.h b/Marlin/example_configurations/Cartesio/Configuration.h
index d4a512d83b..beff3e6616 100644
--- a/Marlin/example_configurations/Cartesio/Configuration.h
+++ b/Marlin/example_configurations/Cartesio/Configuration.h
@@ -253,7 +253,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 1
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
diff --git a/Marlin/example_configurations/Felix/Configuration.h b/Marlin/example_configurations/Felix/Configuration.h
index 1d8e227094..a7901df4ab 100644
--- a/Marlin/example_configurations/Felix/Configuration.h
+++ b/Marlin/example_configurations/Felix/Configuration.h
@@ -252,7 +252,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 1
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
diff --git a/Marlin/example_configurations/Felix/DUAL/Configuration.h b/Marlin/example_configurations/Felix/DUAL/Configuration.h
index b4a0d6905b..47942e610a 100644
--- a/Marlin/example_configurations/Felix/DUAL/Configuration.h
+++ b/Marlin/example_configurations/Felix/DUAL/Configuration.h
@@ -252,7 +252,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 1
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
diff --git a/Marlin/example_configurations/Hephestos/Configuration.h b/Marlin/example_configurations/Hephestos/Configuration.h
index 27be425945..6499466eb1 100644
--- a/Marlin/example_configurations/Hephestos/Configuration.h
+++ b/Marlin/example_configurations/Hephestos/Configuration.h
@@ -255,7 +255,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 0
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
diff --git a/Marlin/example_configurations/Hephestos_2/Configuration.h b/Marlin/example_configurations/Hephestos_2/Configuration.h
index 26df53c706..0349dd1e49 100644
--- a/Marlin/example_configurations/Hephestos_2/Configuration.h
+++ b/Marlin/example_configurations/Hephestos_2/Configuration.h
@@ -252,7 +252,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 0
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
diff --git a/Marlin/example_configurations/K8200/Configuration.h b/Marlin/example_configurations/K8200/Configuration.h
index 224c2750e0..b5a8067700 100644
--- a/Marlin/example_configurations/K8200/Configuration.h
+++ b/Marlin/example_configurations/K8200/Configuration.h
@@ -259,7 +259,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 5
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
diff --git a/Marlin/example_configurations/K8400/Configuration.h b/Marlin/example_configurations/K8400/Configuration.h
index 6ab8da1fa0..c3096703ee 100644
--- a/Marlin/example_configurations/K8400/Configuration.h
+++ b/Marlin/example_configurations/K8400/Configuration.h
@@ -252,7 +252,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 0
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
diff --git a/Marlin/example_configurations/K8400/Dual-head/Configuration.h b/Marlin/example_configurations/K8400/Dual-head/Configuration.h
index fd65307d05..b3b75ba4cf 100644
--- a/Marlin/example_configurations/K8400/Dual-head/Configuration.h
+++ b/Marlin/example_configurations/K8400/Dual-head/Configuration.h
@@ -252,7 +252,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 0
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
diff --git a/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h b/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
index 793f3cbfb4..6ea7806a1c 100644
--- a/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
+++ b/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
@@ -252,7 +252,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 1
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
diff --git a/Marlin/example_configurations/RigidBot/Configuration.h b/Marlin/example_configurations/RigidBot/Configuration.h
index 132113fe8f..cda18275a0 100644
--- a/Marlin/example_configurations/RigidBot/Configuration.h
+++ b/Marlin/example_configurations/RigidBot/Configuration.h
@@ -255,7 +255,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 1
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 //#define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
diff --git a/Marlin/example_configurations/SCARA/Configuration.h b/Marlin/example_configurations/SCARA/Configuration.h
index 1271e746d8..193c9ef1aa 100644
--- a/Marlin/example_configurations/SCARA/Configuration.h
+++ b/Marlin/example_configurations/SCARA/Configuration.h
@@ -284,7 +284,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 1
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
diff --git a/Marlin/example_configurations/TAZ4/Configuration.h b/Marlin/example_configurations/TAZ4/Configuration.h
index f120885e22..e963f2cde6 100644
--- a/Marlin/example_configurations/TAZ4/Configuration.h
+++ b/Marlin/example_configurations/TAZ4/Configuration.h
@@ -252,7 +252,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 7
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
diff --git a/Marlin/example_configurations/WITBOX/Configuration.h b/Marlin/example_configurations/WITBOX/Configuration.h
index c90c20ec41..598b7535ad 100644
--- a/Marlin/example_configurations/WITBOX/Configuration.h
+++ b/Marlin/example_configurations/WITBOX/Configuration.h
@@ -255,7 +255,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 0
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
diff --git a/Marlin/example_configurations/adafruit/ST7565/Configuration.h b/Marlin/example_configurations/adafruit/ST7565/Configuration.h
index 6f8c842a6c..e2c048905b 100644
--- a/Marlin/example_configurations/adafruit/ST7565/Configuration.h
+++ b/Marlin/example_configurations/adafruit/ST7565/Configuration.h
@@ -252,7 +252,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 0
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
diff --git a/Marlin/example_configurations/delta/biv2.5/Configuration.h b/Marlin/example_configurations/delta/biv2.5/Configuration.h
index f59e035c34..7151a9f3e4 100644
--- a/Marlin/example_configurations/delta/biv2.5/Configuration.h
+++ b/Marlin/example_configurations/delta/biv2.5/Configuration.h
@@ -252,7 +252,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 1
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
diff --git a/Marlin/example_configurations/delta/generic/Configuration.h b/Marlin/example_configurations/delta/generic/Configuration.h
index 540aee5356..962d68feab 100644
--- a/Marlin/example_configurations/delta/generic/Configuration.h
+++ b/Marlin/example_configurations/delta/generic/Configuration.h
@@ -252,7 +252,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 0
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
diff --git a/Marlin/example_configurations/delta/kossel_mini/Configuration.h b/Marlin/example_configurations/delta/kossel_mini/Configuration.h
index 1a45097c27..71bd831152 100644
--- a/Marlin/example_configurations/delta/kossel_mini/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_mini/Configuration.h
@@ -252,7 +252,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 11
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 5
 
diff --git a/Marlin/example_configurations/delta/kossel_pro/Configuration.h b/Marlin/example_configurations/delta/kossel_pro/Configuration.h
index f811d3942c..36ad235b94 100644
--- a/Marlin/example_configurations/delta/kossel_pro/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_pro/Configuration.h
@@ -258,7 +258,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 5
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
diff --git a/Marlin/example_configurations/delta/kossel_xl/Configuration.h b/Marlin/example_configurations/delta/kossel_xl/Configuration.h
index 9f888bf8bf..40a8958cab 100644
--- a/Marlin/example_configurations/delta/kossel_xl/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_xl/Configuration.h
@@ -245,7 +245,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 5
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
diff --git a/Marlin/example_configurations/makibox/Configuration.h b/Marlin/example_configurations/makibox/Configuration.h
index 2f30f46d3c..da27397ca7 100644
--- a/Marlin/example_configurations/makibox/Configuration.h
+++ b/Marlin/example_configurations/makibox/Configuration.h
@@ -252,7 +252,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 12
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
diff --git a/Marlin/example_configurations/tvrrug/Round2/Configuration.h b/Marlin/example_configurations/tvrrug/Round2/Configuration.h
index 063162f0a9..47f5ec6587 100644
--- a/Marlin/example_configurations/tvrrug/Round2/Configuration.h
+++ b/Marlin/example_configurations/tvrrug/Round2/Configuration.h
@@ -252,7 +252,12 @@
 #define TEMP_SENSOR_3 0
 #define TEMP_SENSOR_BED 5
 
-// This makes temp sensor 1 a redundant sensor for sensor 0. If the temperatures difference between these sensors is to high the print will be aborted.
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10