Digital Equipment PCXBV-Tx Manuel d'installation - Page 13

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Troubleshooting Table
Use Table 2 to identify and correct any problems areas.

Table 2 Identifying and Correcting Problems

Symptom
Possible Cause
Display does not
Brightness or
appear.
contrast control is
set too low.
Power Management
feature is active in
the off state.
There is no power.
Color impurity
Magnetic fields can
build up on the CRT.
Video display has
There is
moving dots or
electromagnetic
distorted lines.
interference.
The display rolls or
Adjustments may be
flickers.
out of alignment.
CAUTION: Pressing the Recall button, or 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.
Suggested Solution
Increase the brightness and
contrast control settings.
Press any key and allow 20
seconds for monitor to warm
up.
Check the power cord. Use
another ac outlet.
Press the degauss switch to
demagnetize the CRT. See
Caution below.
Move any electromagnetic
device, such as a fan or motor,
away from the monitor or move
the monitor.
Press the recall button until the
LED changes from amber to
green. See Caution below.
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