Phone Customization
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features.blf_active_backlight.enable
It enables or disables the IP phone to turn on the backlight or stop the screen saver
when the BLF/BLF list status changes.
Note: It is not applicable to T19(P) E2 IP phones.
Adding a Screensaver Picture from a USB Flash Drive
The T54S/T52S/T48S/T48G/T46S/T46G/T29G IP phone enables you to add a screensaver picture from a
USB flash drive on their IP phones. You can navigate to Menu->USB->Browse Photo, preview pictures,
and then set a desired picture as screensaver. After you set a picture in USB flash drive as screensaver, the
picture is added to the Screensaver list.
Related Topic
Custom Screensaver Picture Limit
Deleting a Screensaver Picture
You can delete the uploaded custom pictures for a specific IP phone via web user interface at the path:
Settings->Preference, select Custom from the Screensaver Type field, and then select a desired
custom picture from the Screensaver field, click Del. You can only delete the custom pictures.
Backlight
You can change the backlight brightness of the LCD screen during phone activity and inactivity. The
backlight brightness automatically changes when the phone is idle for a specified time. It is not available
on T19(P) E2 IP phones.
You can change the screen backlight brightness and time in the following settings:
Active Level: The brightness level of the LCD screen when the phone is active. Digits (1-10) represent
different brightness levels. 10 is the brightest level.
Inactive Level: The brightness of the LCD screen when the phone is inactive. You can select a low
brightness or turn off the backlight.
Backlight Time: The delay time to change the brightness of the LCD screen when the phone is inactive.
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