Yealink SIP-T23P User Manual page 28

User Guide for the SIP-T23/T23P/T23G IP Phone
You can configure the backlight status on the LCD screen from the following options:
Always On: Backlight is on permanently.

15, 30, 60, 120, 300, 600 or 1800: Backlight is turned off when the phone is inactive

after the designated time (in seconds).
To configure the backlight via phone user interface:
1. Press Menu->Settings->Basic Settings->Display>BackLight.
2. Press
Backlight Time field.
3. Press the Save soft key to accept the change or the Back soft key to cancel.
To configure the backlight via web user interface:
1. Click on Settings->Preference.
2. Select the desired type from the pull-down list of Backlight Time (seconds).
3. Click Confirm to accept the change.
The default language of the phone user interface is English. The phone will detect and
use the same language as that of your web browser for the web user interface. If the
language of your web browser is not supported by the phone, the web user interface
will use English. You can change the language for the phone user interface and the web
18
or , or the Switch soft key to select the desired type from the