Factory Preset Timings; Troubleshooting - Daewoo 712D User Manual

Color monitor
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16

FACTORY PRESET TIMINGS

Resolution
Mode
(dots
lines)
X
VGA
640
480
X
VGA
720
400
X
VESA 46K
800
600
X
VESA SVGA 85
800
X
600
VESA 60K
1024
768
X
VESA/85
1024
768
X
This monitor has stored
-mentioned 6 timings in factory. You can
the above
save up to 23 modes in the user memory automatically. Please note that if
you save to user memory over twenty three times, the first mode saved will
be replaced with your twenty fourth mode.
H.Freq (KHz)
V.Freq(Hz)
Remark
31.5
60
Non-interlaced
31.5
70
Non-interlaced
46.9
75
Non-interlaced
53.7
85
Non-interlaced
60.0
75
Non-interlaced
68.7
85
Non-interlaced

TROUBLESHOOTING

Symptom
No picture.
Check if POWER SWITCH and COMPUTER
POWER SWITCH are in the on position.
Check if the signal cable is correctly connected to
the video card.
Check if the pins of D-sub connector are not bent.
Check if the computer is in the power saving mode.
POWER LED is not
Check if POWER SWITCH is in the on position.
lit.
Check if the power cord is correctly connected.
Image is unstable.
Check if the signal cable is suitable to the video card.
Image is not
Adjust H & V SIZE or H & V POSITION to get the
centered, too small
proper image.
or too large.
Picture bounces or a
Keep the devices that may cause electrical
wave pattern is
interference away from the monitor.
present in the
picture.
See the FCC information at the front cover of the
manual.
Color looks blotchy.
Operate DEGAUSS once.
Picture is blurred.
Adjust CONTRAST and BRIGHTNESS.
Operate DEGAUSS once.
Edges of available
Adjust PINCUSHION/TRAPEZOID.
area on the screen
are not straight.
17
Check

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