Step 3. Press Enter > Enter > Up > Down > Left > Right, a Service screen appears.
8-1. Calibrate Analog RGB (1024X768@60Hz_XGA)
Step 1: In Service 1 Mode select ADC Calibration – (1024X768@60Hz_XGA).
In this menu input pattern with White(240,240,240) and Black(16,16,16) for calibrate
VGA source, after input ready, press "Enter" key to calibration.
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