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Attention users in the U.S.A.
PortaSound PC-50 prepared in accordance
with
FCC rules.
The PortaSound PC-50 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 PC-50 has been type tested and found
to comply with the specifications set for a Class B comput-
ing 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 PortaSound PC-50
should be suspected
of causing interference
with other
electronic devices, verification can be made by turning your
PortaSound PC-50 off and on. If the interference continues
when your PortaSound PC-50 is off, the PortaSound PC-50
is not the source of the interference. If your PortaSound PC-50
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 PortaSound PC-50 or the electronic
device that is being affected by the interference.
Utilize power outlets for the PortaSound PC-50 and the
device being affected that are on different branch (circuit
breaker or fuse) circuits, or install A/C line filters.
In the
case
of radio-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
satis-
factory 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. Govern-
ment
Printing
Office,
Washington
D.C.
20402 — Stock
L. # 004-000-345-4.
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