Specifications

Customizing Your Phone
27
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.
To configure the backlight via phone user interface:
1. Tap -> Basic Settings->Display->Backlight.
2. Tap the gray box of the Backlight Active Level field.
3. Tap the desired level from the pull-down list.
4. Tap the gray box of the Backlight Inactive Level field.
5. Tap the desired value from the pull-down list.
6. Tap the gray box of the Backlight Time field.
7. Tap the desired time from the pull-down list.
8. Tap the Save soft key to accept the change or to cancel.
Backlight is configurable via web user interface at the path Settings->Preference.
You can configure the contrast of the expansion module EXP40 connected to the
SIP-T48G IP phone to a comfortable level on the phone. Ensure that the expansion
module has been connected to the phone before configuration.