420HD IP Phone for Microsoft Skype for Business
User's Manual 34 Document #: LTRT-11898
5.8 Defining LCD Backlight Timeout
You can define for how long the phone’s backlight will stay on when the phone is idle. When this
duration times out, the backlight switches off. For the backlight to never time out, select Always
on.
Ø To define LCD backlight timeout:
1. Access the Backlight Timeout screen (MENU key > Settings > Backlight Timeout).
2. Navigate to and select Always on or 10 / 20 / 30 / 40 / 50 / 60 seconds).
3. Press the Select softkey to apply your settings.
4. Press the Save softkey to save your settings.
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