User's Manual
Digital Device, Inc.
2) Hotkey Function Definition
OSD KEY Functions
DOWN Brightness control
UP Contrast control
SEL Auto Geometry Adjustment
2.Applicable Graphic Mode
The microprocessor measure the H-sync, V-sync and V-sync/H-sync polarity for RGB inputs, and uses
this timing information to control all of the display operation to get the proper image on a screen.
This board can detect all VESA standard Graphic modes shown on the table below and provide more
clear and stable image on a screen.
Horizontal Timing Vertical TimingPixel
Freq.
Sync
Polar
Freq Total Active Sync
Polar
Freq Total Active
Spec
Mode
MHz KHz Pixel Pixel Hz Line Line
640x350
@70Hz
25.144 P 31.430 800 640 N 70.000 449 350
640x480
@70Hz
28.287 N 31.430 800 640 P 70.000 449 400
720x400
@70Hz
28.287 N 31.430 900 720 P 70.000 449 400
640x480
@60Hz
25.175 N 31.469 800 640 N 59.940 525 480
640x480
@72Hz
31.500 N 37.861 832 640 N 72.809 520 480
640x480
@75
31.500 N 37.500 840 640 N 75.000 500 480
800x600
@56Hz
36.000 P 35.156 1024 800 P 56.250 625 600
800x600
@60Hz
40.000 P 37.879 1056 800 P 60.317 628 600
800x600
@72Hz
50.000 P 48.077 1040 800 P 72.188 666 600
800x600
@75Hz
49.500 P 46.875 1056 800 P 75.000 625 600
1024x768
@60Hz
65.000 N 48.363 1344 1024 N 60.005 806 768
1024x768
@70Hz
75.000 N 56.476 1328 1024 N 70.070 806 768
1024x768
@75Hz
78.750 P 60.023 1312 1024 P 75.030 800 768