Hitachi CPX268 - Portable Lcd Projector User Manual page 2

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
(A)
TEXT 2.0
VGA (60Hz) 3.8
VGA (72Hz) .3
VGA (75Hz) 2.0
VGA (85Hz) .6
SVGA (56Hz) 2.0
SVGA (60Hz) 3.2
SVGA (72Hz) 2.4
SVGA (75Hz) .6
SVGA (85Hz) .
Mac 6" mode .
XGA (60Hz) 2.
XGA (70Hz) .8
XGA (75Hz) .2
XGA (85Hz) .0
52 x 864
.2
(75Hz)
280 x 960
.0
(60Hz)
SXGA (60Hz) .0
SXGA (75Hz) .
SXGA (85Hz) .0
UXGA (60Hz) .2
W-XGA (60Hz) .7
SXGA+ (60Hz) .2
2
Front porch (D)
Display interval (C)
(B) (C)
3.0 20.3
.9 25.4
4. 20.3
3.8 20.3
2.2 7.8
3.6 22.2
2.2 20.0
.3 6.0
3.2 6.2
2.7 4.2
3.9 4.5
2.5 5.8
.9 3.7
2.2 3.0
2.2 0.8
2.4 0.7
2.9 .9
2.3 .9
.8 9.5
.4 8.
.9 9.9
2.5 6.0
2.0 .4
Back porch (b)
Data
V. Sync.
Sync (a)
Computer/
Signal
(D)
.0 TEXT
0.6 VGA (60Hz)
0.8 VGA (72Hz)
0.5 VGA (75Hz)
.6 VGA (85Hz)
0.7 SVGA (56Hz)
.0 SVGA (60Hz)
. SVGA (72Hz)
0.3 SVGA (75Hz)
0.6 SVGA (85Hz)
0.6 Mac 6" mode
0.4 XGA (60Hz)
0.3 XGA (70Hz)
0.2 XGA (75Hz)
0.5 XGA (85Hz)
52 x 864
0.6
(75Hz)
280 x 960
0.9
(60Hz)
0.4 SXGA(60Hz)
0. SXGA (75Hz)
0.4 SXGA (85Hz)
0.4 UXGA (60Hz)
0.8 W-XGA (60Hz)
0.7 SXGA+ (60Hz)
Front porch (d)
Display interval (c)
Vertical signal timing (lines)
(a) (b) (c)
3 42 400
2 33 480
3 28 480
3 6 480
3 25 480
2 22 600
4 23 600
6 23 600
3 2 600
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 38 024
3 38 024
3 44 024
3 46 200
3 23 768
3 33 050
(d)

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