Aastra 6739i User Manual page 65

Options Key
Brightness Timer
The "Brightness Timer" option allows you to set the amount of time you want the touchscreen's LCD display to stay illu-
minated before turning the brightness off during a period of inactivity. For example, if you set the Brightness Timer to 60,
when the phone reaches 60 seconds of inactivity, the LCD brightness goes OFF.
Setting Brightness Timer
IP Phone UI
1. Press on the phone to enter the Options List.
2. Press the <Display> button.
3. Press the <Brightness Timer> button. A text box displays.
4. Press the text box. A pop-up keyboard displays.
5. Press the "123" key and enter a value, in seconds, for the Brightness Timer. You can set the Brightness Timer from
0 to 7200 seconds. Default is 600 (10 minutes).
6. Press the to return to the previous menu or press the
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to return to the idle screen.
41-001317-00 Rev 02 – 07.2010