Tte ec ch hn niic ca al l ((ccoonnttiinnuueedd)), Initial set signals – Polaroid SVGA 270 User Manual
Page 27

9-2
T
TE
EC
CH
HN
NIIC
CA
AL
L ((ccoonnttiinnuueedd))
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, refer to pages 17 and 18
and adjust the V.POSIT and H.POSIT of the menu.
DATA
HSYNC
DATA
VSYNC
Display interval c
Back porch b
Sync a
Front porch d
Display interval c
Back porch b
Sync a
Front porch d
Computer /
Signal
Horizontal signal timing (µs)
a
b
c
d
VGA-1(85Hz)
2.0
3.0
20.3
1.0
VGA-2(85Hz)
2.0
3.0
20.3
1.0
TEXT
2.0
3.0
20.3
1.0
VGA-3
3.8
1.9
25.4
0.6
Mac 13"mode
2.1
3.2
21.2
2.1
VGA-3(72Hz)
1.3
3.8
20.3
1.0
VGA-3(75Hz)
2.0
3.8
20.3
0.5
VGA-3(85Hz)
1.6
2.2
17.8
1.6
Computer /
Signal
Horizontal signal timing (µs)
a
b
c
d
SVGA(56Hz)
2.0
3.6
22.2
0.7
SVGA(60Hz)
3.2
2.2
20.0
1.0
SVGA (72Hz)
2.4
1.3
16.0
1.1
SVGA (75Hz)
1.6
3.2
16.2
0.3
SVGA (85Hz)
1.1
2.7
14.2
0.6
Mac 16"mode
1.1
3.9
14.5
0.6
XGA (60Hz)
2.1
2.5
15.8
0.4
XGA (70Hz)
1.8
1.9
13.7
0.3
XGA (75Hz)
1.2
2.2
13.0
0.2
Computer /
Signal
Vertical signal timimg (lines)
a
b
c
d
VGA-1(85Hz)
3
60
350
32
VGA-2(85Hz)
3
41
400
1
TEXT
3
42
480
1
VGA-3
2
33
480
10
Mac 13"mode
3
39
480
3
VGA-3(72Hz)
3
28
480
9
VGA-3(75Hz)
3
16
480
1
VGA-3(85Hz)
3
25
480
1
Computer /
Signal
Vertical signal timimg (lines)
a
b
c
d
SVGA(56Hz)
2
22
600
1
SVGA(60Hz)
4
23
600
1
SVGA (72Hz)
6
23
600
37
SVGA (75Hz)
3
21
600
1
SVGA (85Hz)
3
27
600
1
Mac 16"mode
3
39
624
1
XGA (60Hz)
6
29
768
3
XGA (70Hz)
6
29
768
3
XGA (75Hz)
3
28
768
1