Yealink SIP-T2XP Administrator's Manual page 59

2. Select the desired value from the pull-down list of Contrast.
3. Click Confirm to accept the change.
To configure contrast via phone user interface (applicable to SIP-T28P IP phones and
EXP39 connected to SIP-T26P and SIP-T28P IP phones):
1. Press Menu->Settings->Basic Settings->Display->Contrast.
2. Press
contrast.
The default contrast level is 6.
3. Press the Save soft key to accept the change.
Note
Before you adjust the LCD's contrast of the expansion module, make sure the expansion
module has been connected to the IP phone.
To configure contrast via phone user interface (applicable to SIP-T19P and SIP-T21P IP
phones):
1. Press Menu->Settings->Basic Setting->Contrast.
2. Press
contrast.
The default contrast level is 6.
3. Press the Save soft key to accept the change.
Backlight determines the brightness of the LCD screen display, allowing users to read
easily in dark environments. Backlight time specifies the delay time to turn off the
backlight when the IP phone is inactive. Backlight time is applicable to SIP-T22P , SIP-T26P
and SIP-T28P IP phones, and EXP39 connected to SIP-T26P and SIP-T28P IP phones.
Backlight turns off quickly if a short backlight time is configured, this may not give users
or , or the Switch soft key to increase or decrease the intensity of
or , or the Switch soft key to increase or decrease the intensity of
Configuring Basic Features
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