Contrast : To adjust the foreground white level of screen image.
V: increase contrast, W: decrease contrast.
Brightness : To adjust the background black level of screen image.
V: increase brightness, W : decrease brightness.
Color Adjust : To provide four preset color adjustments for improving
brightness and color saturation: 9300K, 6500K, 5400K, and User Color. Press button to select the preset color.
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