Rockwell Automation 6185-V Industrial 18.1 Inch Flat Panel Monitor User Manual - Manual (Page 52)

52 Industrial 18.1" Flat Panel Monitor
Publication 6185-UM001B-EN-P
Symptom Possible Problem Action
Color(s) are missing. Video cable problem Check for proper video cable installation.
Replace suspected faulty cable.
Fault in monitor Have monitor serviced.
Screen jitter or noisy video. Monitor clock phase not properly
adjusted. Adjust monitor clock phase settings
(Page 45).
Video cable problem. Check for proper video cable installation.
Replace suspected faulty cable.
Electrical noise interference from nearby
equipment. Check for proper video cable routing and
installation. Reroute cables or replace
suspected faulty cables.
Check host and monitor grounding.
Slight distortion in text or graphics. Not operating monitor in native resolution. Change the video source to 1280x1024
resolution.
Display is present, but “bars” appear
across it or roll through it. “Noise” generated by other equipment in
the environment is present at the video
inputs.
Ground loop problems between computer
and monitor.
Consult the application note that
discusses methods of eliminating noise.
Eliminate ground loops by connecting
monitor and computer to the same power
source location or installing an AC
isolation transformer.
Contrast set too high. Adjust brightness and contrast settings
(Page 45). Image has blurry streaks or “ghosting” to
the right of objects on the screen.
Video cable problem. Check for proper video cable installation.
Replace suspected faulty cable.
The background looks acceptable but text
and icons seem to be missing rows of
pixels. Video is running in Interlaced mode. Change the video mode to Non-Interlaced
(Page 46). Consult the documentation for
your video board.