Yealink SIP-T29G User Manual page 48

User Guide for the SIP-T29G IP Phone
The default value is 10, you can set to 1-20.
5. Click Confirm to accept the change.
Backlight has three options:
Backlight Active Level: The intensity of the LCD screen when the phone is active. You can
change the intensity of the LCD screen. Digits (1-10) represent different intensities. 10 is
the highest intensity.
Backlight Inactive Level: The intensity of the LCD screen when the phone is inactive. You
can select a low intensity or turn off the backlight.
Backlight Time: The delay time to change the intensity of the LCD screen when the
phone is inactive. You can select a desired time to change the intensity or turn on the
backlight permanently.
Always On: Backlight is on permanently.

15s, 30s, 60s, 120s, 300s, 600s or 1800s: Backlight is changed when the phone is

inactive after the designated time (in seconds).
You can also change the intensity of the LCD screen of EXP20 connected to the SIP-T29G
IP phone.
To configure the backlight via phone user interface:
1. Press Menu->Basic->Display->Backlight.
2. Press
Backlight Active Level field.
3. Press
36
or , or the Switch soft key to select the desired value from the
or , or the Switch soft key to select the desired value from the