diff --git a/UI.hpp b/UI.hpp
index 592b184..5214f6f 100644
--- a/UI.hpp
+++ b/UI.hpp
@@ -1699,7 +1699,8 @@ void UI_func_midi_channel(uint8_t param)
 
   if (LCDML.FUNC_close())     // ****** STABLE END *********
   {
-    // you can here reset some global vars or do nothing
+    lcd_special_chars(SCROLLBAR);
+
     encoderDir[ENC_R].reset();
     EEPROM.update(EEPROM_START_ADDRESS + offsetof(configuration_s, dexed[0].midi_channel), configuration.dexed[0].midi_channel);
 #if NUM_DEXED > 1
@@ -1768,6 +1769,8 @@ void UI_func_lowest_note(uint8_t param)
 
   if (LCDML.FUNC_close())     // ****** STABLE END *********
   {
+    lcd_special_chars(SCROLLBAR);
+
     encoderDir[ENC_R].reset();
     EEPROM.update(EEPROM_START_ADDRESS + offsetof(configuration_s, dexed[0].lowest_note), configuration.dexed[0].lowest_note);
 #if NUM_DEXED > 1
@@ -1827,6 +1830,8 @@ void UI_func_highest_note(uint8_t param)
 
   if (LCDML.FUNC_close())     // ****** STABLE END *********
   {
+    lcd_special_chars(SCROLLBAR);
+
     encoderDir[ENC_R].reset();
     EEPROM.update(EEPROM_START_ADDRESS + offsetof(configuration_s, dexed[0].highest_note), configuration.dexed[0].highest_note);
 #if NUM_DEXED > 1
@@ -2137,6 +2142,7 @@ void UI_func_engine(uint8_t param)
 
   if (LCDML.FUNC_close())     // ****** STABLE END *********
   {
+    lcd_special_chars(SCROLLBAR);
     encoderDir[ENC_R].reset();
     EEPROM.update(EEPROM_START_ADDRESS + offsetof(configuration_s, dexed[0].engine), configuration.dexed[0].engine);
 #if NUM_DEXED > 1
diff --git a/config.h b/config.h
index 0dbcbc9..8a1752a 100644
--- a/config.h
+++ b/config.h
@@ -56,7 +56,7 @@
 // sed -i.orig 's/^#define USB_MIDI_SYSEX_MAX 290/#define USB_MIDI_SYSEX_MAX 4104/' /usr/local/arduino-teensy-1.8.12/hardware/teensy/avr/cores/teensy3/usb_midi.h
 //#define USB_MIDI_SYSEX_MAX 4104
 
-#define VERSION "0.9.9n"
+#define VERSION "0.9.9o"
 
 //*************************************************************************************************
 //* DEVICE SETTINGS
@@ -93,7 +93,7 @@
 //*************************************************************************************************
 //* DEBUG OUTPUT SETTINGS
 //*************************************************************************************************
-//#define DEBUG 1
+#define DEBUG 1
 #define SERIAL_SPEED 230400
 #define SHOW_XRUN 1
 #define SHOW_CPU_LOAD_MSEC 5000