Yealink SIP-T2 SERIES Administrator's Manual page 153

To configure the idle timeout via web user interface:
1. Click on Settings->Power Saving.
2. Enter the desired value in the Office Hours Idle Timeout field.
The default value is 480, you can set to 1-600.
3. Enter the desired value in the Off Hours Idle Timeout field.
The default value is 10, you can set to 1-10.
4. Enter the desired value in the User input extension Idle Timeout field.
The default value is 10, you can set to 1-20.
5. Click Confirm 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
intensity of the LCD screen when the IP phone is inactive.
short backlight time is configured, this may not give users enough time to read
messages. Backlight time is applicable to SIP
VP-T49G/SIP-T48G/T46G/T42G/T41P/T40P/T29G/T27P/T23P/T23G/T21(P) E2/CP860 IP phones
and EXP40 connected to SIP-T48G/T46G IP phones and EXP20 connected to
SIP-T29G/T27P IP phones.
You can configure the backlight time as one of the following types:
Always Off: Backlight is turned off permanently (not applicable to SIP

VP-T49G/SIP-T48G/T46G/T29G IP phones).
Always On: Backlight is turned on permanently.

Configuring Basic Features
change the
Backlight turns off quickly if a
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