User Guide

User Guide for the T48G Skype for Business phone
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To configure the backlight via phone user interface:
1. Tap ->Basic->Display->Backlight.
2. Select the desired level from the pull-down list of Backlight Active Level.
3. Select the desired value from the pull-down list of Inactive Level.
4. Tap to accept the change or tap to cancel.
Backlight is configurable via web user interface at the path Settings->Preference.
Contrast
You can only configure the contrast of the expansion module EXP40 connected to the T48G
Skype for Business phone to a comfortable level on the phone. Ensure that the expansion
module has been connected to the phone before configuration. The intensity of contrast ranges
from 1 to 10 and the highest intensity is 10.
To configure the contrast via phone user interface:
1. Tap ->Basic->Display->Contrast.
If EXP40 is not connected to the phone, the Contrast Setting screen displays "No EXP".
2. Select the desired value from the pull-down list Contrast.