![background image](http://html.mh-extra.com/html/viewsonic/ve902m/ve902m_service-manual_1021050011.webp)
2-5
Compliant Timing
Sync
polarity
Horizontal (dot)
Vertical (line)
Ite
m
Video Mode
fH
(kHz)
fV
(Hz)
Dot
clock
(MHz) H V
A
B
C
D
E
O
P
Q
R
S
Analo
g
Digital
(Option
al)
1
31.469 59.940 25.175 N
N 800 96 48 640 16 526 2 33 480 11
O
O
2
37.861 72.809 31.500 N
N 832 40 128 640 24 520 3 28 480 9
O
O
3
VGA 640x480
37.500 75.000 31.500 N
N 840 64 120 640 16 500 3 16 480 1
O
O
4
35.156 56.250 36.000 P
P 1024 72 128 800 24 625 2 22 600 1
O
-
5
37.879 60.317 40.000 P
P 1056 128 88 800 40 628 4 23 600 1
O
O
6
48.077 72.188 50.000 P
P 1040 120 64 800 56 666 6 23 600 37
O
O
7
SVGA 800x600
46.875 75.000 49.500 P
P 1056 80 160 800 16 625 3 21 600 1
O
O
8
48.363 60.004 65.000 N
N 1344 136 160 1024 24 806 6 29 768 3
O
O
9
56.476 70.069 75.000 N
N 1328 136 144 1024 24 806 6 29 768 3
O
O
10
XGA 1024x768
60.023 75.029 78.750 P
P 1312 96 176 1024 16 800 3 28 768 1
O
O
11
1152x86
4
67.500 75.000
108.00
0
P
P 1600 128 256 1152 64 900 3 32 864 1
O
O
12
63.981 60.020
108.00
0
P
P 1688 112 248 1280 48
106
6
3 38 1024 1
O
O
13
VESA
SXG
A
1280x10
24
79.976 75.025
135.00
0
P
P 1688 144 248 1280 16
106
6
3 38 1024 1
O
-
14
VGA
TEXT
720x400
31.469 70.087 28.322 N
P 900 108 45 720 27 449 2 35 400 12
O
O
15
640x480
35.000 66.667 30.240 N
N 864 64 96 640 64 525 3 39 480 3
O
-
16
832x624
49.725 74.500 57.283 N
N 1152 64 224 832 32 667 3 39 624 1
O
-
17
Macintosh
1024x768
60.150 74.720 80.000 N
N 1330 96 168 1024 42 805 3 31 768 3
O
-
H-parameters
A: Total period
B: Sync. width
C: Back porch
D: Active video
E: Front porch
< Horizontal >
Video
Sync
B
C
A
D
E
V-parameters
O: Total period
P: Sync. width
Q: Back porch
R: Active video
S: Front porch
<Vertical >
P
Q
R
S
O
8
ViewSonic
Corporation
Co
nfidential
-
Do
Not
Copy
VE902m