Update example configurations.

Marlin/Configuration.h

 //LCD and SD support
 
 // Character based displays can have different extended charsets.
-#define DISPLAY_CHARSET_HD44870_JAPAN  //  "ääööüüß23°"
+#define DISPLAY_CHARSET_HD44870_JAPAN     // "ääööüüß23°"
 //#define DISPLAY_CHARSET_HD44870_WESTERN // "ÄäÖöÜüß²³°" if you see a '~' instead of a 'arrow_right' at the right of submenuitems - this is the right one.
 
 //#define ULTRA_LCD  //general LCD support, also 16x2

Marlin/example_configurations/Hephestos/Configuration.h

 
 //LCD and SD support
 
-// Character based displays can have different extended charsets. If you see strange or missing characters on yours - try an other definition below.
-#define DISPLAY_CHARSET_HD44870_JAPAN  //  "ääööüüß°"
-//#define DISPLAY_CHARSET_HD44870_WESTERN // with better support for European languages. "ÄäÖöÜüß°"
-//#define DISPLAY_CHARSET_DOGM // for full graphics display "ÄäÖÖÜÜß°"
+// Character based displays can have different extended charsets.
+#define DISPLAY_CHARSET_HD44870_JAPAN     // "ääööüüß23°"
+//#define DISPLAY_CHARSET_HD44870_WESTERN // "ÄäÖöÜüß²³°" if you see a '~' instead of a 'arrow_right' at the right of submenuitems - this is the right one.
 
 #define ULTRA_LCD  //general LCD support, also 16x2
 //#define DOGLCD  // Support for SPI LCD 128x64 (Controller ST7565R graphic Display Family)

Marlin/example_configurations/K8200/Configuration.h

 #define ABS_PREHEAT_FAN_SPEED 0   // Insert Value between 0 and 255
 
 //LCD and SD support
+
+// Character based displays can have different extended charsets.
+#define DISPLAY_CHARSET_HD44870_JAPAN     // "ääööüüß23°"
+//#define DISPLAY_CHARSET_HD44870_WESTERN // "ÄäÖöÜüß²³°" if you see a '~' instead of a 'arrow_right' at the right of submenuitems - this is the right one.
+
 //#define ULTRA_LCD  //general LCD support, also 16x2
 //#define DOGLCD  // Support for SPI LCD 128x64 (Controller ST7565R graphic Display Family)
 //#define SDSUPPORT // Enable SD Card Support in Hardware Console

Marlin/example_configurations/SCARA/Configuration.h

 #define ABS_PREHEAT_FAN_SPEED 255   // Insert Value between 0 and 255
 
 //LCD and SD support
+
+// Character based displays can have different extended charsets.
+#define DISPLAY_CHARSET_HD44870_JAPAN     // "ääööüüß23°"
+//#define DISPLAY_CHARSET_HD44870_WESTERN // "ÄäÖöÜüß²³°" if you see a '~' instead of a 'arrow_right' at the right of submenuitems - this is the right one.
+
 //#define ULTRA_LCD  //general LCD support, also 16x2
 //#define DOGLCD  // Support for SPI LCD 128x64 (Controller ST7565R graphic Display Family)
 //#define SDSUPPORT // Enable SD Card Support in Hardware Console

Marlin/example_configurations/WITBOX/Configuration.h

 #define ABS_PREHEAT_FAN_SPEED 255   // Insert Value between 0 and 255
 
 //LCD and SD support
+
+// Character based displays can have different extended charsets.
+#define DISPLAY_CHARSET_HD44870_JAPAN     // "ääööüüß23°"
+//#define DISPLAY_CHARSET_HD44870_WESTERN // "ÄäÖöÜüß²³°" if you see a '~' instead of a 'arrow_right' at the right of submenuitems - this is the right one.
+
 #define ULTRA_LCD  //general LCD support, also 16x2
 //#define DOGLCD  // Support for SPI LCD 128x64 (Controller ST7565R graphic Display Family)
 #define SDSUPPORT // Enable SD Card Support in Hardware Console

Marlin/example_configurations/delta/Configuration.h

 #define ABS_PREHEAT_FAN_SPEED 255   // Insert Value between 0 and 255
 
 //LCD and SD support
+
+// Character based displays can have different extended charsets.
+#define DISPLAY_CHARSET_HD44870_JAPAN     // "ääööüüß23°"
+//#define DISPLAY_CHARSET_HD44870_WESTERN // "ÄäÖöÜüß²³°" if you see a '~' instead of a 'arrow_right' at the right of submenuitems - this is the right one.
+
 //#define ULTRA_LCD  //general LCD support, also 16x2
 //#define DOGLCD  // Support for SPI LCD 128x64 (Controller ST7565R graphic Display Family)
 //#define SDSUPPORT // Enable SD Card Support in Hardware Console

Marlin/example_configurations/makibox/Configuration.h

 #define ABS_PREHEAT_FAN_SPEED 255   // Insert Value between 0 and 255
 
 //LCD and SD support
+
+// Character based displays can have different extended charsets.
+#define DISPLAY_CHARSET_HD44870_JAPAN     // "ääööüüß23°"
+//#define DISPLAY_CHARSET_HD44870_WESTERN // "ÄäÖöÜüß²³°" if you see a '~' instead of a 'arrow_right' at the right of submenuitems - this is the right one.
+
 //#define ULTRA_LCD  //general LCD support, also 16x2
 //#define DOGLCD  // Support for SPI LCD 128x64 (Controller ST7565R graphic Display Family)
 #define SDSUPPORT // Enable SD Card Support in Hardware Console

Marlin/example_configurations/tvrrug/Round2/Configuration.h

 #define ABS_PREHEAT_FAN_SPEED 255   // Insert Value between 0 and 255
 
 //LCD and SD support
+
+// Character based displays can have different extended charsets.
+#define DISPLAY_CHARSET_HD44870_JAPAN     // "ääööüüß23°"
+//#define DISPLAY_CHARSET_HD44870_WESTERN // "ÄäÖöÜüß²³°" if you see a '~' instead of a 'arrow_right' at the right of submenuitems - this is the right one.
+
 //#define ULTRA_LCD  //general LCD support, also 16x2
 //#define DOGLCD  // Support for SPI LCD 128x64 (Controller ST7565R graphic Display Family)
 //#define SDSUPPORT // Enable SD Card Support in Hardware Console