Rockwell Automation 6157-C User Manual User Manual

Page 41

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Industrial 19" CRT Monitor

41

Publication 6157-UM001A-EN-P

Symptom

Possible Problem

Action

Display is present, but “jitters” or is
severely distorted

NOTE: Do not confuse the flicker
associated with an interlaced video mode
with jitter.

Interfering external AC or DC
magnetic shield

If possible, reposition the monitor beyond the
proximity of large transformers, motors, bus bars,
etc.

Ask Rockwell Automation about various shielding
options available to protect the monitor.

Display is present, but “bars” appear
across it.

“Noise” generated by other
equipment in the environment is
present at the video inputs

Consult the application note that discusses
methods of eliminating noise.

Connected monitor to computer. When
powered, the PC locked up

Graphics card driver is not
compatible with monitor

Update the graphics card drivers to the latest
version.

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