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2.4. ELECTRICAL REQUIREMENTS
Horizontal / Vertical Frequency
Horizontal Frequency
Vertical Refresh Rate
Maximum Pixel Clock
Sync Polarity
Primary Presets
Primary Preset
Look up table timing
<<Analog>>
1. 640 x 350 @ 70Hz, 31.5kHz
2. 640 x 480 @ 60Hz, 31.5kHz
3. 640 x 480 @ 67Hz, 35.0kHz
4. 640 x 480 @ 75Hz, 37.5kHz
5. 640 x 480 @ 72Hz, 37.9kHz
6. 640 x 480 @ 85Hz, 43.27kHz
7. 720 x 400 @ 70Hz, 31.5kHz
8. 800 x 600 @ 56Hz, 35.1kHz
9. 800 x 600 @ 60Hz, 37.9kHz
10. 800 x 600 @ 75Hz, 46.9kHz
11. 800 x 600 @ 72Hz, 48.1kHz
12. 800 x 600 @ 85Hz, 53.7kHz
13. 832 x 624 @ 75Hz, 49.7kHz
14. 1024 x 768 @ 60Hz, 48.4kHz
15. 1024 x 768 @ 70Hz, 56.5kHz
16. 1024 x 768 @ 72Hz, 58.1kHz
17. 1024 x 768 @ 75Hz, 60.0kHz
18. 1024 x 768 @ 85Hz, 68.67kHz
19. 1280 x 1024 @ 60Hz, 63.4kHz
20. 1280 x 1024 @ 75Hz, 79.97kHz
21. 1280x720 @ 60Hz, 45kHz (HDTV)
Changing Modes
Maximum Mode Change Blank
image stability. Note:
1) Excluding "Auto Adjust" time
2) Under DOS mode (640 x 350, 720 x 400 & 640 x
400), there is no "Auto Adjust" feature.
3) The monitor needs to do "Auto Adjust" the first
time a new mode is detected.
Mode Change Image
ViewSonic Corporation
30 – 82 KHZ
50 –85 HZ.
135 MHz
Independent of sync polarity.
1280 x 1024 @ 60Hz
Time,
for
3 seconds (Max)
1 seconds (Typ) for recognized timings
1-2 seconds (Typ) for unrecognized timing
.
The image shall blank while the monitor changes
modes.
6
Confidential - Do Not Copy
VX710
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