Yealink SIP-T48G - Manual (Page 34)

User Guide for the SIP-T48G IP Phone
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2. Tap or , or press or to select the desired wallpaper image.
3. Tap the Save soft key to accept the change or to cancel.
Wallpaper is configurable via web user interface at the path Settings->Preference.
To upload the custom wallpaper via web user interface:
1. Click on Settings->Preference.
2. In the Upload Wallpaper (800*480) field, click Browse to locate the wallpaper
image from your local system.
3. Click Upload to upload the file.
4. Click Confirm to accept the change.
The custom wallpaper appears in the pull-down list of Wallpaper.
You can configure backlight to adjust the brightness of the touch screen. Backlight On
Intensity is used to adjust the backlight intensity of the touch screen. Backlight time
specifies the delay time to turn off or dusky the backlight when the IP phone is inactive.