Aastra 6757i User Manual page 36

Customizing Your Phone
7. If you selected "Auto", press the Advanced softkey.
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 seconds (2 minutes). Default is 10 seconds. 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 Enter to save your setting.
29
Backlight
Off
Auto
Advanced -
Cancel -
Done -
Backlight On Time
10
- Backspace
Cancel -
Enter -
41-001385-00 Rev 01 – 06.2013