Contrast - Yealink SIP-T48S User Manual

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-T48S
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 Setting screen displays "No EXP".
Tap the gray box of the Contrast field, and then select the desired value from the
2.
pull-down list.
Customizing Your Phone
to cancel.
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