Operation CHARM: Car repair manuals for everyone.

Monitor Check

Monitor Check




Select the item you want to check, and the check starts.

RGB Color




The three primary colors of red, green and blue must be shown. If any color(s) are missing, troubleshoot for the missing color.

White Raster




The entire display must be shown in white.

Switch Check




Each switch must be shown on the display and each switch must reverse and sound, when touched.

NOTE: The test may be affected if done in direct sunlight,

Test Pattern




All 32 colors including black must be indicated (including the back ground color).

Black Raster




The entire display must be shown in black.

Color Change




This screen is for the manufacturer's use only.