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Microprocessor-based preset functions can store 26 sets of geometry settings including
the standard settings. The following industrial standard settings have been
pre-
1!
programmed by the factory.
-
-
No.
Video Mode Name
Horizontal Video Mode
(with Resolution and Vertical Frequency)
Frequency
1 VGA
640
x
400- 70 Hz
31.47
kHz
VGA
2 VESA 640
X
400- 85 Hz
37.86
kHz
VESA
3 VESA 800 X 600- 85 Hz
53.67
kHz
VESA
4 VESA 1024
x
768-
75 Hz
60.02 kHz
VESA
5
VESA
1024
X
768-
85 Hz
68.68 kHz
VESA
6
VESA
1152 X
864-
75
Hz
67.50 kHz
VESA
NOTE :
n
Input signals with approximately the same frequencies may be regarded as the same
signal.
n The following horizontal timing conditions are recommended (at sync. H, V
separate or H/V composite).
for 31
kHz
-
45
kHz
horizontal frequency:
Horizontal front porch should be more than 0.1 vs.
Horizontal sync. width should be within 1
.O
-
3.8
l.~.
Horizontal back porch should be more than 1.2
ps.
Horizontal blanking width should be more than 3.5
ps.
for 45
kHz
-
69
kHz
horizontal frequency:
Horizontal front porch should be more than 0.1 vs.
Horizontal sync. width should be within 1 .O
-
3.0
ps.
Horizontal back porch should be more than 1
.I
ps.
Horizontal blanking width should be more than 3.0
p.s.
n The following vertical timing conditions are recommended.
Vertical front porch should be more than 10
ps.
Vertical sync. width should be less than 200
ps.
Vertical back porch should be more than 400
ps.
Vertical blanking width should be more than 500
ps.
n In case the front or back porch is extremely long, or the data display time is
extremely short, it may not be able to set the expected size and position.
n
Standard settings are subject to change without notice.
l-7