10
PreSonus HP4
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4
Resources
4.1
Specifications
4.2
Troubleshooting and Repairs
If you experience problems with your HP4,
please try the following before contacting
PreSonus Customer Support:
1. Check our Web site at www.PreSonus.com for
answers to frequently asked questions and for
troubleshooting techniques specific to the HP4.
2. Make sure your HP4 and all equipment
connected to it are powered on.
3. Disconnect/reconnect your HP4 power supply.
4. Check your connection cables and audio sources.
5. Check your headphones.
6. Isolate the problem by disconnecting any
extraneous equipment in your signal chain.
To submit a tech-support request, visit our Web site
at http://support.presonus.com/home or call us at
1-225-216-7887 between 9 a.m. and 5 p.m. Central
Time (GMT 05:00). Please note that you must register
your product at www.PreSonus.com before contacting
Customer Service. Customers outside of the United
States should check first with their regional PreSonus
distributor for technical support and repairs.
When contacting technical support, please
have the following information at hand:
•
A brief description of the connections
to and from your HP4.
•
A description of the problem that you are encountering.
•
Your HP4 serial number (located on
the bottom of the unit).
If you think that your power supply has failed, rather
