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RGB Info

Pressing the RGB INFO button on the NAVI DIAG MENU screen leads to a screen titled RGB CHECK. This screen may be used to test the color signals sent from the navigation module (NAV) to the navigation display head (NDH). Five color bars are shown. They are black (BK), red (R), green (G), blue (B) and white (W).

Fig 1: RGB Check
GM737676Courtesy of GENERAL MOTORS COMPANY