Quadra User's Guide

Table Of Contents
FIRMWARE UPGRADES AND TROUBLESHOOTING
System Troubleshooting
350-7951 Quadra Users Guide 111
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SYSTEM TROUBLESHOOTING
Problems with Quadra operation may result from incorrect system connections
and settings. In the event of difficulty or anomalous results, first check the
following basic items:
Cable connections
The video format associated with each input
The timing selected for the display device attached to a particular
channel
Any system options currently in effect
Use the command line interface to query the current settings of the
parameter in question to determine Quadras current values.
Some of these items are discussed in detail in the “
Troubleshooting Guide
section below.
TROUBLESHOOTING
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GUIDE
Use the table below to troubleshoot the Quadra. If problems persist, refer to the
How to Contact RGB Spectrum
” section for technical support instructions.
Important Quadras hardware should only be modified or repaired by
RGB Spectrum’s technicians.
Table D-1. Troubleshooting Guide
Symptom Recommendations
No power or lights Check that the
Quadra is plugged in and powered on.
No signal or a poor signal
on the display.
Check that all cables are connected correctly.
Turn on a test pattern using the “TestPattern” function,
and determine the quality of the output image on the
selected channel.
Ensure that the appropriate set of output parameters are
loaded from the Factory Timing List for your current
display and channel.
No inputs are visible
Ensure that your output channels are enabled using the
WINdowENable
” function.
Ensure that the channel in which you are working has not
been positioned off screen. Use the WSR and WDR query
commands to determine where the image is positioned.