Attention users In the U.S.A.
PortaSound TYU-40 is prepared in accordance with FCC rules.
The PortaSound TYU-40 uses frequencies that appear In the radio frequency range,
and If Installed In the Immediate proximity (within three meters) of some types of
audio or video devices Interference may occur.
The PortaSound TYU-40 has been type tested and found to comply with the
specifications set for a Class B computing device in accordance with those specifi
cations 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 PortaSound TYU-40
should be suspected of causing interference with other electronic devices,
verification can be made by turning your PortaSound TYU-40 off and on. if the
interference continues when your PortaSound TYU-40 is off, PortaSound TYU-40 Is
not the source of the Interference, if your PortaSound TYU-40 does appear to be the
source of the Interference, you should try to conect the situation by using one or
more of the following measures:
Relocate either the PortaSound TYU-40 or the electronic device that is being
affected by the Interference.
Utilize power outlets for the PortaSound TYU-40 artd the device being affected
that are on different branch (circuit breaker or fuse) circuits, or install A/C line
filters.
In the case of radlo-TV Interference, relocate the antenna or, if the antenna
lead-in is a 300 ohm ribbon lead, change the lead-in to a co-axial type cable.
If these corrective measures do not produce satisfactory results, please contact
your Authorized Yamaha Specialty Products dealer for suggestions and/or corrective
measures. If you cannot locate an Authorized Yamaha Specialty Products dealer in
your general area, contact the Specialty Products Service Center. Yamaha
International, 6600 Orangethorpe Ave, Buena Park, CA 90620.
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 f! 044-000-345-4.
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