Mackie MK-BIG-KNOB-P Big Knob Passive Monitor Controller And Interface

User Manual - Page 7

For MK-BIG-KNOB-P.

PDF File Manual, 12 pages, Read Online | Download pdf file

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7
Owner’s Manual
Owner’s Manual
Appendix A: Service
Information
If you think your Big Knob Passive has a problem,
please check out the following troubleshooting tips and
do your best to confirm the problem. Visit the Support
section of our website (www.mackie.com/support)
where you will find lots of useful information such as
FAQs and documentation. You may find the answer
to the problem without having to send your Big Knob
Passive away.
Troubleshooting
No Power
Our favorite question: Is it plugged in? If you answered
“yes” to this question, then you’re reading the wrong
owner’s manual. The Big Knob Passive does not get
“plugged in”!
No Sound
Is the signal source turned up? Make sure the signal
level from whatever device(s) immediately precedes
the Big Knob Passive is high enough to produce sound.
Is the Big Knob Passive level control turned up?
Are the source and monitor select switches in their
correct positions?
Is the mute switch engaged?
Bad Sound
Are the input and output connectors plugged
completely into the jacks? Make sure they are
plugged all the way in.
Is it loud and distorted? Reduce the signal level
at the source(s).
Noise/Hum/Buzz
Check the signal cable between the source(s) and the
Big Knob Passive. Make sure all connections are secure.
These problems usually produce crackling noises, hum,
or buzz.
Make sure the signal cable is not routed near AC cables,
power transformers, or other EMI sources (including
wall warts and line lumps!). These sources usually
produce hum.
Excessive hiss is an indication of an incorrect gain
setting somewhere before the Big Knob Passive.
If possible, listen to the signal source with headphones
plugged in. If it sounds noisy there, it’s not the Big Knob
Passive.
Repair
For warranty service, please refer to the warranty
information on page 11.
Non-warranty service is available at a factory-
authorized service center. To locate the nearest service
center, visit www.mackie.com, click “Support” and select
“Locate a Service Center or Distributor”.
Service for a Big
Knob Passive living outside the United States may be
obtained through local dealers or distributors.
If you do not have access to our website, please call
our Tech Support department at 1-800-898-3211 (normal
business hours, Pacific Time), to explain the problem.
They will tell you where the nearest factory-
authorized
service center is located in your area.
Need help with the Big Knob Passive?
Visit www.mackie.com and click Support to find: FAQs, manuals, and addendums.
Telephone 1-800-898-3211 to speak with one of our splendid technical support
chaps (Monday through Friday, normal business hours, Pacific Time).
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