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Maintenance and Troubleshooting
48 Runco PlasmaWall Owner’s Operating Manual
PRE
L
IMINAR
Y
Image is too bright and/or
lacks definition in the bright
areas of the image.
• Contrast is set too high. • Lower the contrast setting.
Image appears “washed out”
and/or dark areas appear too
bright.
• Brightness is set too high. • Lower the brightness
setting.
Colors in the image are
swapped; for example, reds
appear blue or vice versa.
• The Red/Pr, Green/Y or
Blue/Pb outputs from the
source are connected to
the wrong inputs on the
DHD Controller.
• The Red, Green or Blue
(analog) outputs from the
DHD Controller are
connected to the wrong
inputs on the PlasmaWall.
• Ensure that the source
outputs are connected to
the correct DHD Controller
input.
• Ensure that the DHD
Controller outputs are
connected to the correct
inputs on the PlasmaWall.
RGB-HD images appear
“noisy.”
• Clock and Phase settings
need adjustment.
• Adjust Clock and Phase
settings (refer to ISF Night
- Input Color on page 41).
“Out of range” appears
on-screen.
• The resolution and
frequency of the video
card in the computer are
not compatible with the
PlasmaWall.
• Select a compatible
resolution and vertical
frequency (refer to
Computer/Video Signal
Compatibility on
page 58).
The image is too large or too
small.
• Image size needs
adjusting.
• Adjust the image size (refer
to Input Position on
page 39).
Table 5-1. Troubleshooting Chart (continued)
Symptom Possible Cause(s) Solution