Aastra 6757i CT User Manual page 40

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 Done to save your setting.
Model 6757i CT IP Phone User Guide
Backlight
Off
Auto
Advanced -
Cancel -
Done -
Backlight On Time
10 seconds
- Backspace
- Clear Cancel -
Done -
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