Backlight; Language - Yealink SIP-T21 E2 User Manual

User Guide for the SIP-T21(P) E2 IP Phone
You can configure the backlight to adjust the brightness of the LCD screen. Backlight
status on the LCD screen can be configured from the following options:
Always On: Backlight is on permanently.

Always Off: Backlight is off permanently.

15s, 30s, 60s, 120s, 300s, 600s or 1800s: 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.
Backlight is configurable via web user interface at the path Settings->Preference.
The default language of the phone user interface is English. If the language of your web
browser is not supported by the phone, the web user interface will use English by
default. You can change the language for the phone user interface and the web user
interface respectively.
To change the language for the phone user interface:
1. Press Menu->Settings->Basic Settings->Language.
2. Press
3. Press the Save soft key to accept the change.
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or , or the Switch soft key to select the desired type from the
or to select the desired language.