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Overview
This tutorial will show how you can customize the contrast level of the LCD Screen on a Cisco 7800 Series phone. By default the contrast is set to 50 percent.
Adjust Contrast
To adjust the Contrast, press the “Applications” key. On the Navigation Key, use the Buttons to scroll and select Preferences. Select Contrast. Press the Navigation buttons up to increase or down to decrease contrast.
Adjust contrast through applications under preferences.
Set Contrast
Press the “Save” softkey to set the level or “Cancel” to exit.
Save or Cancel your changes.