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Specify Display Brightness and Contrast
You can adjust the brightness and display contrast either via the 5235 IP
Phone volume controls (when the phone is idle) or via the Settings shutter.
To adjust the display contrast using the volume controls:
z
Repeatedly press the volume control buttons located below the speaker
to adjust the contrast. Press the up button ( ) to increase contrast
and the down button ( ) to decrease contrast.
Note: You can use this method only when the phone is idle. If the phone is
ringing, this action adjusts the ring volume. If the phone is in use, this
action adjusts the handset, headset and speakerphone volume.
To adjust the display brightness and contrast using the Settings
information:
1. Open the Settings shutter.
2. Press the scroll buttons ( ) until the Brightness and Contrast setting
is listed.
3. Press the Brightness and Contrast setting.
4. Press the scroll buttons ( ) to adjust the brightness and contrast of
your screen. If the arrow is disabled, you have ad
j
usted the settin
g
as far
as possible in this direction.
5. Press the Save button.
Note: Press Cancel at any time to exit this shutter without making any
changes.