Contrast - Yealink SIP-T48G User Manual

User Guide for the SIP-T48G IP Phone
pull-down list.
Tap the gray box of the Backlight Time field, and then select the desired time from the
4.
pull-down list.
Tap the Save soft key to accept the change or
5.
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 SIP-T48G
IP 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:
Tap ->Basic->Display->Contrast.
1.
If EXP40 is not connected to the phone, the Contrast screen displays "No EXP".
Tap the gray box of the Contrast field, and then select the desired value from the
2.
pull-down list.
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to cancel.