Yealink SIP-T38G - Manual (Page 33)

Customizing Your Phone
23
To configure the backlight via phone user interface:
1. Press Menu->Display->Backlight.
2. Press or , or the Switch soft key to select the desired level from the Active
Level field.
3. Press or , or the Switch soft key to select the desired level from the Inactive
Level field.
4. Press or , or the Switch soft key to select the desired time from the
Backlight Time field.
5. Press the Save soft key to accept the change or the Back soft key to cancel.
You can also configure the backlight via web user interface at the path
Phone->Preference.
Note
You can configure the contrast of the expansion model-EXP39 to a comfortable level.
Premise is the expansion model has been connected to the phone.
To configure the contrast via phone user interface:
1. Press Menu->Setting->Advanced Settings (password: admin) ->Phone
Setting->Contrast.
Backlight Level means the backlight intensity.