User Guide for the CP920 HD IP Conference Phone
30
The default value is 10, you can set to 1-30.
5. Click Confirm to accept the change.
Contrast
You can configure the contrast of the LCD screen to a comfortable level. The intensity of
contrast ranges from 1 to 10 and the highest intensity is 10.
To configure the contrast via phone user interface:
1. Tap Menu->Settings->Basic Settings->Display->Contrast.
2. Tap the or soft key to decrease or increase the intensity of contrast.
The default contrast level is “6”.
3. Tap the Save soft key to accept the change or the Back soft key to cancel.
Contrast is configurable via web user interface at the path Settings->Preference.
Backlight
You can configure the backlight to adjust the brightness of the LCD screen. Backlight status on
the LCD screen can be configured from the following options:
Always On: Backlight is on permanently.
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