AASTRA 4422 IP Office for MD Evolution User Guide - Manual (Page 103)

103 MD Evolution – Dialog 4422 IP Office
Physical Programming of Your Extension
Adjusting Your Extension’s Screen
Contrast
Your extension features a display that is 128 x 25 pixels. Its contrast
is adjustable to better suit the lighting conditions in your office. To
do so, after framing the “Display Contrast” option:
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Press the Loudspeaker key on your extension.
Your extension displays the following screen:
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Press either the + or - keys on your extension to increase or
decrease the contrast.
Your adjustments are indicated on the bar illustrated on the screen. Â
Press the Loudspeaker key on your extension.
Your setting is saved, and then the welcome screens for the physical
programming of your extension are re-displayed.
Log Off Restriction
Display Contrast
Display Contrast