Hitachi CM751 User Manual - Page 10

Microprocessor-based preset functions can store 26 sets of geometry settings including the standard settings. The following industrial standard settings have been preprogrammed by the factory. No. Video Mode Name (with Resolution and Vertical Frequency) Horizontal Video Model ;;;;;E; / CM753ET ( Frequency 1 VGA 640 X 480 - 6 0 Hz 31.47 kHz VGA b & 2 VESA 800 X 600 - 85 Hz 53.67 kHz VESA L L 3 VESA1024 X 768 - 85 Hz 68.68 kHz VESA L b 4 VESA1280 X 1024 - 85 Hz 91.15 kHz VESA I5 lb 5 VESA1600 X 1200 - 75 Hz 93.75 kHz VESA I5 - 6 VESA1600 X 1200 - 85 Hz 106.25 kHz VESA - .b NOTE : W Input signals with approximately the same frequencies may be regarded as the same signal. n The following horizontal timing conditions are recommended (at sync. H, V separate or HN composite). for 31 kHz - 52 kHz horizontal frequency: Horizontal front porch should be more than 0.1 us. Horizontal sync. width should be within 1 .O - 3.8 us. Horizontal back porch should be more than 1.2 ys. Horizontal blanking width should be more than 3.5 us. for 52 kHz - 107 kHz horizontal frequency: Horizontal front porch should be more than 0.1 ps. Horizontal sync. width should be within 0.8 - 3.0 l~s. Horizontal back porch should be more than 1 .I us. Horizontal blanking width should be more than 2.4 us. n The following vertical timing conditions are recommended. Vertical front porch should be more than 9 ys. Vertical sync. width should be less than 100 us. Vertical back porch should be more than 400 IJS. Vertical blanking width should be more than 450 us. n In case the front or back porch is extremely long, or the data display time is extremely short, it may not be able to set the expected size and position. W Standard settings are subject to change without notice. W This monitor is tested and conformed compliance with ZH1/618 and EN29241-3 (lSO92413) ergonomics requirement on the following video modes : "VESA 1024 X 768 - 85 Hz" "VESA 1280 X 1024 - 85 Hz" 8