Polycom 1725-31402-001 ユーザーズマニュアル

User Guide for the Polycom CX700 IP Phone

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Select Brightness.

Using 

 or 

, select your desired level.

Press the OK soft key to save your changes or the Cancel soft key to exit 

the Brightness screen without making changes.

High contrast color schemes can increase readability by using higher contrast 

color combinations on the screen. With this change, you can operate the 

telephone in high-contrast mode.

Press the Settings soft key.

Select High Contrast.