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4. Select B-G with UP,DOWN adjust y=0.329 and do the next selection with EXIT key. 6. Select R-G with UP,DOWN adjust x=0.313 and do the next selection with EXIT key. 4-3-4 brightness uniformity adjustment ¡� set condition - frequency : 640 * 480 (60Hz) - display pattern : 9 ball pattern - brightness : MIN (cut off) - contrast : MAX Measure nine brightness display in the screen.
front cabinet
4-3-5 Focus adjustment ¡� set condition - frequency : 640 * 480 (60Hz) - display pattern : "H" character - brightness : min (cut off) - contrast : max 1. Adjust in focus of whole screen to be the best fitted with FOCUS V/R in FBT. 4-3-6 PURITY adjustment Purity is that unnecessary colors appear in the screen except displayed color. Don't appear unnecessary colors divided with the naked eye at a distance of 50§¯ from CRT surface.
