Yamaha SPX50D User Manual
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FCC INFORMATION
While the following statements are provided to comply with FCC Regulations in the United States, the
corrective measures listed below are applicable worldwide.
This series of Yamaha professional music equipment uses frequencies that appear in the radio frequency
range and if installed in the immediate proximity of some types of audio or video devices (within three
meters), interference may occur. This series of Yamaha combo equipment have been type tested and
found to comply with the specifications set for a class B computing device in accordance with those
specifications listed in subpart J of part 15 of the FCC rules. These rules are designed to provide a
reasonable measure of protection against such interference. However, this does not guarantee that
interference will .not occur. If your professional music equipment should be suspected of causing inter
ference with other electronic devices, verification can be made by turning your combo equipment off
and on. If the interference continues when your equipment is off, the equipment is not the source of
interference. If your equipment does appear to be the source of the interference, you should try to correct
the situation by using one or more of the following measures:
Relocate either the equipment or the electronic device that is being affected by the interference. Utilize
power outlets for the professional music equipment and the device being affected that are on different
branch (circuit breaker or fuse) circuits, or install AC line filters.
In the case of radio or TV interference, relocate the antenna or, if the antenna lead-in is 300 ohm ribbon
lead, change the lead-in the co-axial type cable.
If these corrective measures do not produce satisfactory results, please contact your authorized Yamaha
professional products dealer for suggestions and/or corrective measures.
If you cannot locate a franchised Yamaha professional products dealer in your general area, contact the
professional products Service Department, Yamaha Music Corporation, 6600 Orangethorpe Ave., Buena
Park, CA 90620, U.S.A.
If for any reason, you should need additional information relating to radio or TV interference, you may
find a booklet prepared by the Federal Communications Commission helpful:
“How to identify and Resolve Radio - TV Interference Problems”. This booklet is available from the
U.S. Government Printing Office, Washington D.C. 20402 - Stock No. 004-000-00345-4.
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