RGB Spectrum Quadra User's Guide - Manual (Page 119)

F I R M W A R E U P G R A D E S A N D T R O U B L E S H O O T I N G
System Troubleshooting
350-7951 Quadra User’s Guide 111
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S Y S T E M T R O U B L E S H O O T I N G
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 Quadra’s current values.
Some of these items are discussed in detail in the “ Troubleshooting Guide ”
section below.
TROUBLESHOOTING
. . . . . . . . . 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 Quadra’s 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.