Acer AM501 AM501 Monitor Service Guide - Page 15

4.3 Preset Timing M454 U-P Default Timing Table 3 MODE H Pixes V Lines 1 VGA60 2 VESA75 3 VESA60 4 VESA85 640 480 800 600 1024 768 800 600 Fd(MHz) Polar(H/V) d: dot 25.175 N/N 49.5 P/P 65 N/N 56.25 P/P sweep Fh(KHz) Fv(Hz) 31.469 59.94 46.875 75 48.363 60 53.674 85.061 F Th(us) Tv(ms) 31.777 16.683 21.333 13.333 20.677 16.667 18.631 11.756 D Td(us) Td(ms) d: display 25.422 15.253 16.162 12.8 15.754 15.88 14.222 11.179 C Tb(us) Tb(ms) b: backporch 1.907 1.049 3.232 0.448 2.462 0.6 2.702 0.503 B Tp(us) Tp(ms) p: pulse 3.813 0.064 1.616 0.064 2.092 0.124 1.138 0.056 A Tf(us) Tf(ms) f: front 0.635 0.317 0.323 0.021 0.369 0.063 0.569 0.018 11