Hitachi CP-S245 User Manual page 95

Example of computer signal
Initial set signals
The following signals are used for the initial settings. The signal timing of some
computer models may be different. In such case, adjust the items V POSITION
and H POSITION in the IMAGE menu.
Back porch (B)
Data
H. Sync.
Sync (A)
Horizontal signal timing (μs)
Computer/
Signal
TEXT
VGA (60Hz)
VGA (72Hz)
VGA (75Hz)
VGA (85Hz)
SVGA (56Hz)
SVGA (60Hz)
SVGA (72Hz)
SVGA (75Hz)
SVGA (85Hz)
Mac 16" mode
XGA (60Hz)
XGA (70Hz)
XGA (75Hz)
XGA (85Hz)
1152 x 864
(75Hz)
1280 x 960
(60Hz)
1280 x 1024
(60Hz)
1280 x 1024
(75Hz)
1280 x 1024
(85Hz)
1600 x 1200
(60Hz)
2
Front porch (D)
Display interval (C)
(A) (B) (C)
2.0 3.0 20.3
3.8 1.9 25.4
1.3 4.1 20.3
2.0 3.8 20.3
1.6 2.2 17.8
2.0 3.6 22.2
3.2 2.2 20.0
2.4 1.3 16.0
1.6 3.2 16.2
1.1 2.7 14.2
1.1 3.9 14.5
2.1 2.5 15.8
1.8 1.9 13.7
1.2 2.2 13.0
1.0 2.2 10.8
1.2 2.4 10.7
1.0 2.9 11.9
1.0 2.3 11.9
1.1 1.8 9.5
1.0 1.4 8.1
1.2 1.9 9.9
Back porch (b)
Data
V. Sync.
Sync (a)
Computer/
Signal
(D)
1.0 TEXT
0.6 VGA (60Hz)
0.8 VGA (72Hz)
0.5 VGA (75Hz)
1.6 VGA (85Hz)
0.7 SVGA (56Hz)
1.0 SVGA (60Hz)
1.1 SVGA (72Hz)
0.3 SVGA (75Hz)
0.6 SVGA (85Hz)
0.6 Mac 16" mode
0.4 XGA (60Hz)
0.3 XGA (70Hz)
0.2 XGA (75Hz)
0.5 XGA (85Hz)
1152 x 864
0.6
(75Hz)
1280 x 960
0.9
(60Hz)
1280 x 1024
0.4
(60Hz)
1280 x 1024
0.1
(75Hz)
1280 x 1024
0.4
(85Hz)
1600 x 1200
0.4
(60Hz)
Front porch (d)
Display interval (c)
Vertical signal timing (lines)
(a) (b) (c)
3 42 400
2 33 480
3 28 480
3 16 480
3 25 480
2 22 600
4 23 600
6 23 600
3 21 600
3 27 600
3 39 624
6 29 768
6 29 768
3 28 768
3 36 768
3 32 864
3 36 960
3 38 1024
3 38 1024
3 44 1024
3 46 1200
(d)
1
10
9
1
1
1
1
37
1
1
1
3
3
1
1
1
1
1
1
1
1