Settings > Display and Backlight > Adjusting Contrast

Adjusting Contrast
Proceed as follows:
 
1.
Press the Menu key and open the menu settings > display > contrast.
2.
Press the arrow key left or right to configure the desired contrast and confirm with OK.

COMfortel 1200 - Firmware V2.0 - COMfortel Set V3.14 - Advanced Information V06 03/2017