Aastra 7434IP User Manual page 94

13.4
13.4.1
13.4.2
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4. Select an alert, and then press Set.
A confirmation message is displayed.
5. Press Yes
It is also possible to change the alert signal by pressing
Shortcuts, and then pressing the shortcut for the monitored extension.
Display
This section describes how to change the display contrast, brightness
and brightness hold time, that is, how long the display will be illuminated.
Modifying Contrast
To modify the phone contrast, do the following:
1. Press .
2. Select Display and press Select.
3. Scroll to Phone Contrast and press Select.
4. Press the navigation keys, or the volume keys, to increase or
decrease the contrast to a desired level.
5. Press Set and then Yes to confirm.
Your setting is saved.
Modifying Brightness
To modify the phone brightness, do the following:
1. Press .
2. Select Display and press Select.
3. Scroll to Phone Brightness and press Select.
4. Press the navigation keys, or the volume keys, to increase or
decrease the brightness to a desired level.
5. Press Set and then Yes to confirm.
Your setting is saved.
S
ETTINGS
, selecting
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