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8
Troubleshooting Table
Use Table 3 to identify and correct any problem area.
Table 3. Identifying and Correcting Problems
Symptom Possible Cause Suggested Solution
Display does not
appear.
Brightness or
contrast control is
set too low.
Power Management
feature is active in
the off state.
There is no power.
Increase the brightness and
contrast control setting to suit
you.
Press any key and allow 20
seconds for monitor to warm
up.
Check the power cord. Use
another ac outlet.
Color impurity Magnetic fields can
build up on the CRT.
Press the degauss switch to
demagnetize the CRT. See
Caution
below.
Video display has
moving dots and
distorted lines.
The display rolls or
flickers.
There is
electromagnetic
interference.
Adjustments may be
out of alignment.
Move any electromagnetic
device, such as a fan or motor,
away from the monitor or move
the monitor.
Hold the Recall button until the
LED changes from green to
orange then back to green. See
Caution
below.
CAUTION:
Pressing the
Recall
button, or pressing the
Degauss
button for longer than 5 seconds, resets all of the
data in the user memory area so you must remake your user
adjustments.