LG LDV-S802 Owner's Manual page 70

[5] VIDEO ADJUST setup
There are various types of cameras and the image also has many dark or light points.
This function compensates the spots to create optimized image through color adjustment by channel.
a Hue : Control the entire color by green or red channel.
b Sat : Display the saturation of a color.
c Con : Control the contrast of the image.
d Bri : Control the brightness of the image.
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a b c d