GDM-906X Series User Manual 
160 
4.  Press the F5 (Enter) key or 
Knob key to confirm the 
selected color. 
The following figure demonstrates the 
defined green color for 2ND display. 
Math Color Setting 
 
Set the theme color of  Math functions 
1.  Press the Menu key followed by 
pressing the Page Down key 
repeatedly until the Display 
configuration menu appears. 
2.  Press the NEXT key repeatedly or 
scroll the Knob key to move to the 
Font Color – Math Color field.