Manual

DT220 Users Manual version 1.a  Configuration Parameters 
    33 
Backlight Adjust 
Press the Shift key and then Function F6 Backlight key when the DT220 is in idle mode 
(not configuration mode). The display prompts: 
*** Backlight Adjust *** 
 I – Increase intensity 
   D – Decrease intensity 
Press the ‘I’ and ‘D’ keys to increase or decrease the LCD display backlight intensity. 
Each press increases or decreases the backlight intensity. 
NOTE: There is a small access hole in the rear of the unit used to adjust the LCD pixel 
intensity by turning a trim pot located inside of the enclosure. If the display looks faded or 
too dark use the trim pot to make the necessary adjustments.










