Yamaha PSS-470 - Manual (Page 23)

Attention users in the U.S.A.
PortaSound PSS-470 is prspand in accordance
with FCC rules.
The PortaSound PSS-470 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 PSS-470 has been type tested and
found to comply with the specifications set for a Class B
computirm device in accordance with those specifications
listeid in Subpart J of Pert 16 of the FCC rules. These rules
are designed to provide a reasonable nveasure of protection
against such interference. However, this does not guarantee
that interference will not occur. If your PortaSound
PSS-470 should be suspected of causing interference with
other electronic devices, verification can be made by
turning your PortaSound PSS-470 oft and on. ft the
interference continues when your PortaSound PSS-470 is
off, PortaSound PSS-470 is not the source of the
interference. If your f^rtaSound PSS-470 does appear to be
the source of the interference, you should try to correct the
situation tyy using one or more of the foUowing
measures:
Relocate either the PortaSound PSS-470 or the
electronic device that is being affected by the interference.
Utilize po war outlets for the PortaSound PSS-470 and
the device being affected that are on different brenchfcircuit
breaker or fuse) circuits, or install AJC 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 sa tisfactory
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, ^maha International,
&S00 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, ^shington D.C. 20402—Stock
a 044-000-345-4.