Yealink SIP-T2 Series - Page 216

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series IP Phones
192
Parameters
Permitted Values
Default
Menu->Basic->Display->Backlight->Active Level
phone_setting.inactive_backlight_level
0 or 1
1
Description:
Configures the intensity of the LCD screen when the phone is inactive.
0-Off
1-Low
For T48G/T48S/T46G/T46S IP phones, it configures the LCD’s intensity of the IP phone and
the connected EXP40.
For T29G IP phones, it configures the LCD’s intensity of the IP phone and the connected
EXP20.
If it is set to 0 (Off), it works only if the value of the parameter
“phone_setting.backlight_time” is not set to 1 (Always On).
Note: It is applicable to SIP-T48G/T48S/T46G/T46S IP phones and the connected EXP40,
SIP-T29G IP phones and the connected EXP20.
Web User Interface:
Settings->Preference->Unused BackLight
Phone User Interface:
Menu->Basic->Display->Backlight->Inactive Level
phone_setting.backlight_time
0, 1, 15, 30, 60, 120, 300,
600 or 1800
Refer to the
following
content
Description:
Configures the delay time (in seconds) to change the intensity of the LCD screen when the IP
phone is inactive.
0-Always On
1-Always Off (not applicable to SIP-48G/T48S/T46G/T46S/T29G IP phones)
15-15s
30-30s
60-1min
120-2min
300-5min
600-10min
1800-30min
If it is set to 60 (1min), the intensity of the LCD screen will be changed when the IP phone