ViewSonic Corporation
Confidential - Do Not Copy
7
5. ELECTRICAL
REQUIREMENT
Horizontal / Vertical Frequency
Horizontal Frequency
30 – 82 kHz
Vertical Refresh Rate
56 – 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
For Analog sync, the image vertical size image
will be not full screen (Still at the center)
2
640 x 400
@ 60 Hz,
31.5 KHz
For Analog sync, the OSD will be
640x480@60Hz
3
640 x 400
@ 70 Hz,
31.5 KHz
For Analog sync, the image vertical size image
will be not full screen (Still at the center), And the
OSD will be 640x400/720x400 (primary=
720x400).
4
640 x 480
@ 50 Hz,
24.7 KHz
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
8
640 x 480
@ 75 Hz,
37.5 KHz
9
640 x 480
@ 85 Hz,
43.3 KHz
10
720 x 400
@ 70 Hz,
31.5 KHz
For Analog sync, the image vertical size image
will be not full screen (Still at the center), And the
OSD will be 640x400/720x400 (primary=
720x400).
11
720 x 480
@ 60 Hz,
31.5 KHz
For Analog sync, the information OSD shows
640x480
12
720 x 576
@ 50 Hz,
31.3 KHz
13
800 x 600
@ 56 Hz,
35.1 KHz
14
800 x 600
@ 60 Hz,
37.9 KHz
15
800 x 600
@ 72 Hz,
48.1 KHz
16
800 x 600
@ 75 Hz,
46.9 KHz
17
800 x 600
@ 85 Hz,
53.7 KHz
18
832 x 624
@ 75 Hz,
49.7 KHz
19 1024 x 768 @ 50 Hz,
39.6 KHz
For Analog sync, Switch 1024x768@50Hz and
1280x768@50Hz by [1]+[2] short cut key
V
X
193
5
wm-
3
Содержание VS11444
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