Hall Research SC-HDMI-2A - Manual (Page 10)

Model SC-HDMI-2A
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4. Troubleshooting
There are no field serviceable parts or circuits in the device. If
you think the device is malfunctioning (or you have no picture
output), please try to use the methods described in Section 3.2 to
obtain a picture first. If that does not work, try resetting back to
the Factory Defaults as described in 3.6.
4.1 Contacting Hall Research
If you determine that your device is malfunctioning, do not
attempt to repair the unit instead, contact Hall Research
Technical Support at 714-641-6607.
Before you do, make a record of the history of the problem.
We will be able to provide more efficient and accurate
assistance if you have a complete description.
4.2 Shipping and Packaging
If you need to transport or ship your unit:

Package it carefully. We recommend that you use the
original container.

Before you ship the units back to Hall Research for repair or
return, contact us to get a Return Authorization (RMA)
number.