ViewSonic VG921m-2, Руководство по обслуживанию

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5
ViewSonic Corporation Confidential - Do Not Copy
VG921m-2
ELECTRICAL REQUIREMENT
Horizontal / Vertical Frequency
Horizontal Frequency
24 – 82 kHz
Vertical Refresh Rate
50 – 75 Hz
Maximum Pixel Clock 135 MHz
Sync Polarity Independent of sync polarity
Timing Table
Analog
Item Timing
Sep
arated
Comp
osite
SOG
Digit
al -
T
M
D
S
Remark
1 640 x 350 @ 70 Hz, 31.5 KHz
2 640 x 400 @ 60 Hz, 31.5 KHz
3 640 x 400 @ 70 Hz, 31.5 KHz
4
640 x 480 @ 50 Hz, 24.7 KHz
The image quality might be
worse than 640x480@60Hz
5 640 x 480 @ 60 Hz, 31.5 KHz
6
640 x 480 @ 67 Hz, 35 KHz
7 640 x 480 @ 72 Hz, 37.9 KHz DMT
8 640 x 480 @ 75 Hz, 37.5 KHz DMT
9 720 x 400 @ 70 Hz, 31.5 KHz
10 800 x 600 @ 56 Hz, 35.1 KHz DMT
11 800 x 600 @ 60 Hz, 37.9 KHz DMT
12 800 x 600 @ 72 Hz, 48.1 KHz DMT
13 800 x 600 @ 75 Hz, 46.9 KHz DMT
14 832 x 624 @ 75 Hz, 49.7 KHz MAC
15 1024 x 768 @ 60 Hz, 48.4 KHz DMT
16 1024 x 768 @ 70 Hz, 56.5 KHz DMT
17 1024 x 768 @ 75 Hz, 60 KHz DMT
18 1152 x 864 @ 75 Hz, 67.5 KHz DMT
19 1152 x 870 @
75 Hz, 68.7 KHz For MAC
20 1280 x 720 @ 60 Hz, 45 KHz DTV
21 1280 x 1024 @ 60 Hz, 64 KHz DMT
22 1280 x 1024 @ 75 Hz, 80 KHz DMT
*1. Tolerance
≧
±2KHz (if no overlapping issue)
*2. Any timing not in the list, it should display as normal or show on “OUT OF RANGE” OSD message without
blanking.
*3. The image quality of 50Hz mode might be worse than 60Hz.