Adding A Screensaver Picture From A Usb Flash Drive; Deleting A Screensaver Picture; Backlight - Yealink SIP-T5 Series Administrator's Manual

Parameter features.blf_active_backlight.enable
It enables or disables the phone to turn on the backlight or stop the screen saver when the BLF/BLF
Description
list status changes.
Permitted
0-Disabled
1-Enabled
Values
Default 1
Supported
All phones except T19(P) E2 and CP920
Devices

Adding a Screensaver Picture from a USB Flash Drive

The T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G IP phone enables you to add a screensaver picture
from a USB flash drive on their phones. You can navigate to Menu > USB > Browse Photo, preview pictures, and
then set the desired picture as a screensaver. After you set a picture in USB flash drive as a screensaver, the pic-
ture is added to the Screensaver list.
Note: Yealink phones support USB flash drive in FAT32 or NTFS format.
Related Topic
Custom Screensaver Picture Limit

Deleting a Screensaver Picture

You can delete the uploaded custom pictures for a specific IP phone via the 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 (Delete). You can only delete the custom pictures.

Backlight

You can change the backlight brightness of the phone 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
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. Backlight
time includes the following settings you can choose from:
Always On: Backlight is on permanently.
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Always Off: Backlight is off permanently. It is not available for the
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T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G IP phone.
15s, 30s, 1min, 2min, 5min, 10min or 30min: Backlight is changed when the phone is inactive after the des-
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ignated time (in seconds).
Topics
Supported Backlight Options
Backlight and Time Configuration
<y0000000000xx>.cfg
Phone Customization
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