Yealink SIP-T38G

Gigabit Color IP Phone Customizing Your Phone
Backlight
User can set the backlight through this option.
Field
Description
Active Level
The backlight level when the phone is active.
Inactive Level
The backlight level when the phone is inactive. “0” is stand
for black, “1” is stand for gray.
Backlight Time
If the user in “backlight” time does not do any operations,
the phone will automatically get into an energy saving
mode.
Configure these options via phone interface:
1) Press Menu->Display->Backlight to enter the configure page.
2) Use navigation key to highlight an option.
3) Press Switch soft key to configure.
4) Press the Save soft key to save the changes.