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5. Appendix 18 9/22/2009 11:10 AM
Setting the Starting Address
This DMX mode enables the use of a universal DMX controller device. Each fixture requires a start address
from 1~512. A fixture requiring one or more channels for control begins to read the data on the channel
indicated by the start address. For example, a fixture that uses six DMX channels and was addressed to start
on DMX channel 100, would read data from channels: 100, 101, 102, 103, 104, and 105. Choose start
addresses so that the channels used do not overlap, and note the start address selected for future reference.
If this is your first time addressing a fixture using the DMX control protocol, we suggest jumping to the
“Appendix” section and reading the heading “DMX Primer”. It contains very useful information that will help you
understand its use.
General Troubleshooting
SYMPTOM
POSSIBLE CAUSE(S)
POSSIBLE ACTION(S)
Breaker/Fuse
keeps blowing
Excessive circuit load
Check total load placed on the electrical circuit.
Short circuit along the power
wires
Check for a short in the electrical wiring (internal and/or
external)
Device does not
power up
No power
Check for power on power outlet
Loose power cord
Check power cord
Fixture is not
responding to
DMX
Wrong DMX addressing
Check Control Panel and unit addressing
Damaged DMX cables
Check DMX cables
Wrong polarity settings on the
controller
Check polarity switch settings on the controller
Loose DMX cables
Check cable connections
Faulty DMX interface
Replace DMX input
Faulty Main PCB
Replace Main PCB
Loss of signal
Non DMX cables
Use only DMX compatible cables
Bouncing signals
Install terminator as suggested
Long cable / Low level signal
Install amplifier right after fixture with strong signal
Too many fixtures
Install an optically coupled DMX splitter after unit #32
Interference from AC wires
Keep DMX cables separated from power cables or
black lights
If you still have a problem after trying the above solutions, please contact CHAUVET Technical
Support.
Contact Us
World Wide
General Information CHAUVET
3000 North 29
th
Court
Hollywood, FL 33020
voice: 954.929.1115
fax: 954.929.5560
toll free: 800.762.1084
Technical Support CHAUVET
3000 North 29
th
Court
Hollywood, FL 33020
voice: 954.929.1115 (Press 4)
fax: 954.929.5560 (Attention: Service)
World Wide Web www.chauvetlighting.com