To adjust image settings for best visual quality, press 
and a motion picture window will pop up for your reference. There are four fields including "Brightness", "Contrast", "Hue" and "Saturation" for video compensation. . Each field has eleven levels ranged from
press 
to 
to memorize the image
settings or 
to recall the original settings. If parameters are changed without saving, they will be used until the next system startup.
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