User Manual
Configuring Basic Features
45
To configure backlight via web user interface:
1. Click on Settings->Preference.
2. Select the desired value from the pull-down list of Backlight Active Level (only
applicable to SIP-T28P IP phones and the connected EXP39).
3. Select the desired value from the pull-down list of Backlight Time (seconds).
4. Click Confirm to accept the change.
To configure backlight via phone user interface (only applicable to SIP-T28P IP phones
and EXP39 connected to SIP-T26P and SIP-T28P IP phones):
1. Press Menu->Settings->Basic Settings->Display->Backlight.
2. Press or , or the Switch soft key to select the desired level from the Active
Level field.
3. Press or , or the Switch soft key to select the desired type from the
Backlight Time field.
4. Press the Save soft key to accept the change.
Note
Some menu options are protected by two privilege levels, user and administrator, each
with its own password. When logging into the web user interface, you need to enter the
user name and password to access various menu options.
A user or an administrator can change the user password. The default user password is
“user”. For security reasons, the user or administrator should change the default user
password as soon as possible.
Before you adjust the LCD’s backlight of expansion module, make sure the expansion
module has been connected to the IP phone.