Rockwell Automation 6185-C_B Industrial 15 12 Inch Monitor User Manual User Manual
Page 36
36
Bulletin 6185-C and 6185-B Industrial Flat Panel Monitors
Publication 6185-5.1
Symptom
Possible Problem
Action
Image is not stable.
Monitor is not synched to video source.
Refer to installation instructions.
Check for proper video cable installation.
Replace suspected faulty cable.
Check to ensure that video source is
operating within the display’s range. Adjust
the Clock Phase. See page 28.
Image not properly centered or sized.
Size and position controls incorrectly
adjusted.
Use autp-adjust feature for proper size and
position of image. See page 26.
Reset the horizontal and vertical
positioning using the OSD (Page 28).
Check to ensure that video source is
operating within the monitor’s range.
Vertical shaded bars on screen image.
Horizontal size not properly adjusted.
Adjust horizontal size settings. See page
26.
Video cable problem.
Check for proper video cable installation.
Replace suspected faulty cable.
Color(s) are missing.
Fault in monitor.
Have monitor serviced.
Monitor clock phase not properly
adjusted.
Adjust monitor clock phase settings See
page 28.
Video cable problem.
Check for proper video cable installation.
Replace suspected faulty cable.
Screen jitter or noisy video.
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 native mode.
The native resolutions are as follows:
•
1024x768
for
6185-C
•
800x600 for 6185-B
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 contrast settings. See page 29.
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.