AOC PB20C Service Manual page 7

VIDEO Adjust
1. CONTRAST, BRIGHTNESS, COLOUR and TINT are adjusted from 0 to 100.
2. BLACK LEVEL is adjusted from 0 to 100.
3. SHARPNESS is adjusted from -5 to+5.
You can adjust picture contrast, brightness, color, tint and sharpness to the levels you prefer.
4. RESET is set up to default value.
Note: TINT only work in NTSC video signal input.
AUDIO Adjust
When adjust any item sub-OSD will show up like this.
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