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5
5
TROUBLESHOOTING
PROBLEM
LED On
•
Contrast and brightness controls
(Green)
•
Power switch
LED Off
•
AC power cord disconnected
•
Signal cable disconnected
LED On
No
•
Computer power switch
(Orange)
picture
•
Power management function is active.
•
Power switch
NOTE
LED Blinking
(Orange)
Due to fine dusts existing in the inside of CRT, a discharge may occur at the CRT. When the
discharge occur, the monitor may turn off automatically. This is by an internal protection circuit
operated and it is to avoid electrical components broken.
The following message appeared.
•
Signal cable disconnected
•
Computer power switch
•
Power management function is active.
The following message appeared.
•
Input signal frequency range is too high or too low for the
ATTENTION
ATTENTION
monitor to synchronize with.
SIGNAL FREQUENCY
SIGNAL FREQUENCY
IS OUT OF RANGE.
IS OUT OF RANGE.
FH
FH
24.8KHz
24.8KHz
FV 43.0Hz
FV
43.0Hz
PLEASE CHANGE
PLEASE CHANGE
SIGNAL TIMING.
SIGNAL TIMING.
•
Do "FACTORY PRESET" for a standard signal.
Display is miss-
•
Adjust HORIZ-SIZE, VERT-SIZE, HORIZ-POSITION, and
ing, center shifts,
VERT-POSITION with non-standard signals.
or too small or too
•
Monitor may not be able to get full-screen image depend on
large of a display
signal. In this case, please select other resolution, or other
size
vertical refresh timing.
•
Make sure you wait a few seconds after adjusting the size
of the image before changing or disconnecting the signal.
•
Thin vertical black lines on one or both sides of the
screen. This minor condition is caused by grille element
overlap which can occur during shipping.
•
Position an open white window over the affected area of
Black vertical
lines are visible
the screen and maximize the brightness and contrast
on the screen.
controls. This will cause localized heating of the overlap
which will clear in a few minutes. Be sure to readjust the
brightness and contrast controls back to the normal
viewing levels after this procedure.
Before calling your Authorized Product Support, please
check that the items below are properly connected or set.
In case of using a non-standard signal, please check the
pin assignments and the signal timing of your computer
with the specification outlined in Section 6. SPECIFICA-
TIONS.
ITEMS TO CHECK
- 10 -
LOCATION
•
Front (OSD)
•
Front
Rear
•
•
Rear
•
Computer
•
Press any key on the keyboard
or move the mouse.
•
Front
•
Rear
•
Computer
•
Press any key on the keyboard
or move the mouse.
•
Check the specification of
graphics adapter.
•
Front (OSD)
•
Front (OSD)
- Quick Links:
- Features
- Specifications
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