Customizing Your Phone25phone is inactive. You can select a desired time to change the intensity or turn on thebacklight permanently.You can also change the intensity of the LCD screen of EXP39 connected to the SIP-T29GIP phone.To configure the backlight via phone user interface:1. Press Menu->Basic->Display->Backlight.2. Press or , or the Switch soft key to select the desired value from theBacklight Active Level field.3. Press or , or the Switch soft key to select the desired value from theBacklight Inactive Level field.4. Press or , or the Switch soft key to select the desired time from theBacklight Time field.5. Press the Save soft key to accept the change or the Back soft key to cancel.Backlight is configurable via web user interface at the path Settings->Preference.You can only configure the contrast of EXP39 to a comfortable level. Ensure EXP39 hasbeen connected to the phone before configuration.To configure the contrast via phone user interface:1. Press Menu->Basic->Display->Contrast.