Runco XP-50DHD Plasma Display User Manual

Operation
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Color Space: Select Color Space from the Service menu to choose the color space of 
the source signal for HDMI, RGB, and component connections.
 The default setting, Auto, functions as follows:
HDMI: If the Auxiliary Video Information (AVI) infoframe contains color space and/or 
range data, the PlasmaWall uses that information. Otherwise, for RGB sources, the 
PlasmaWall uses the RGB-Video color space.  For component SDTV and...

Operation
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CUE (Chroma Upsampling Error) Correction: Some DVD players use MPEG 
decoders that do not correctly “upsample” the 4:2:0 format chroma information on the 
DVD to the 4:2:2 or 4:4:4 format required by the video encoder of the display device.
This so-called “chroma bug” sometimes causes streaky or spiky horizontal lines 
running through the chroma channel. It is most noticeable in static, interlaced scenes 
and on diagonal edges...

Operation
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System Reset: To reset ALL controller settings (including image settings) back to their 
factory defaults, choose System Reset from the Service menu. 
A confirmation message appears. Select Yes to continue with the reset or select No to 
cancel. 
 
 
This action is not undoable. Proceed with caution! Before you 
perform a System Reset, save your “Custom” Memory Presets 
(
page 47) and ISF Day/Night Memory Presets (page 51)....

Operation
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Notes: 

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5.1 
Cleaning
Regular cleaning will extend the life and performance of the PlasmaWall. Before cleaning, 
be sure to unplug the power cord from the power outlet.
Cleaning the Display 
Panel Body and Remote 
Control
Do not under any circumstances use solvents such as benzene or thinner to clean the 
PlasmaWall. Doing so may cause deterioration or peeling of paint from the display or 
remote control unit.
Wipe the display and remote control...

Maintenance and Troubleshooting
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5.2 
Troubleshooting Tips
Table 5-1 provides some general guidelines for troubleshooting problems you may 
encounter with the PlasmaWall. If the suggested solutions fail to resolve the problem or if 
you encounter an issue not described here, please contact your Runco dealer or Runco 
Technical Support. 
 
Table 5-1. Troubleshooting Chart 
SymptomPossible Cause(s)Solution
The display does not turn on 
after...

Maintenance and Troubleshooting
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RGB-HD images appear 
“noisy.” Clock and Phase settings 
need adjustment.  Adjust Clock and Phase 
settings (refer to 
Input 
Color on page 51).
Computer images do not dis-
play correctly. 
 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 
Supported Timings on 
page 76). 
The...

Maintenance and Troubleshooting
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In addition to using the DHD Controller front-panel keypad or remote control unit, there 
are two methods of controlling the PlasmaWall and DHD Controller externally: 
 Using a serial (RS-232) link to send ASCII commands and receive responses to those 
commands.
 Using discrete infrared (IR) codes to program a third-party remote control unit.
The following sections describe both of these methods. 
6.1 
Serial Communications
The DHD...

External Control
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Table 6-1 lists the RS-232 command set. The “Parameter (min/max)” column shows the 
valid parameter ranges, or “NA” for commands that take no parameters. 
When you enter a valid command, the DHD Controller executes it and acknowledges it 
with a plus sign on the command line (+ >). When you enter an invalid command – one 
that is misspelled or followed by values outside the valid range for that command – the 
DHD...