Yealink T48S Skype For Business Edition, User Manual

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Customizing Your Phone
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3.
Select the desired value from the pull-down list of
Inactive Level
.
4.
Tap to accept the change.
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 T48S
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
Menu->Setting
->
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 of
Contrast
.
The default contrast level is “6”.
3.
Tap to accept the change.