Aastra 9143i Series Administrator's Manual page 330

IP Phone Administrator Guide
Operational Features
IP Phone UI
Step Action
7 If you select "Auto", press the Advanced softkey to set the automatic timer.
8 Using the keypad, enter the amount of seconds you want the phone to stay backlit when the phone is
idle. Valid values are 1 to 120 minutes (2 hours). Default is 10 minutes. When this period of time is
reached, the phone turns OFF the backlight. Use the "Backspace" and/or "Clear" softkeys to delete
entries if required.
9 Press Done to save your setting. The setting applies immediately to the phone.
5-32
Backlight
Off
Auto
Advanced -
Cancel -
Done -
Backlight On Time
10 seconds
- Backspace
Cancel -
- Clear
Done -
41-001160-03, Rev 00, Releaes 2.4