Yamaha RX-V990 Stereo System User Manual


 
3
FCC INFORMATION
1. IMPORTANT NOTICE: DO NOT MODIFY THIS
UNIT! This product, when installed as indicated in the
instructions contained in this manual, meets FCC
requirements. Modifications not expressly approved
by Yamaha may void your authority, granted by the
FCC, to use the product.
2.
IMPORTANT: When connecting this product to
accessories and/or another product use only high
quality shielded cables. Cable/s supplied with this
product MUST be used. Follow all installation
instructions. Failure to follow instructions could void
your FCC authorization to use this product in the USA.
3. NOTE: This product has been tested and found to
comply with the requirements listed in FCC
Regulations, Part 15 for Class “B” digital devices.
Compliance with these requirements provides a
reasonable level of assurance that your use of this
product in a residential environment will not result in
harmful interference with other electronic devices.
This equipment generates/uses radio frequencies
and, if not installed and used according to the
instructions found in the users manual, may cause
interference harmful to the operation of other
electronic devices.
Compliance with FCC regulations does not guarantee
that interference will not occur in all installations. If
this product is found to be the source of interference,
which can be determined by turning the unit “OFF”
and “ON”, please try to eliminate the problem by using
one of the following measures:
Relocate either this product or the device that is being
affected by the interference.
Utilize power outlets that are on different branch
(circuit breaker of fuse) circuits or install AC line filter/s.
In the case of radio or TV interference, relocate/
reorient the antenna. If the antenna lead-in is 300
ohm ribbon lead, change the lead-in to coaxial type
cable.
If these corrective measures do not produce
satisfactory results, please contact the local retailer
authorized to distribute this type of product. If you can
not locate the appropriate retailer, please contact
Yamaha Electronics Corp., U.S.A. 6600 Orangethorpe
Ave, Buena Park, CA 90620
The above statement apply ONLY to those products
distributed by Yamaha Corporation of America or its
subsidiaries.
19 Outdoor Antenna Grounding — If an outside antenna is
connected to this unit, be sure the antenna system is
grounded so as to provide some protection against
voltage surges and built-up static charges. Article 810 of
the National Electrical Code, ANSI/NFPA 70, provides
information with regard to proper grounding of the mast
and supporting structure, grounding of the lead-in wire
to an antenna discharge unit, size of grounding
conductors, location of antenna discharge unit,
connection to grounding electrodes, and requirements
for the grounding electrode.
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810-20)
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
GROUND CLAMPS
POWER SERIVCE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250, PART H)
NEC – NATIONAL ELECTRICAL CODE
ELECTRIC
SERVICE
EQUIPMENT
GROUND
CLAMP
MAST
ANTENNA
LEAD IN
WIRE
EXAMPLE OF ANTENNA GROUNDING
Note to CATV system installer:
This reminder is provided to call the CATV system
installer’s attention to Article 820-40 of the NEC that
provides guidelines for proper grounding and, in
particular, specifies that the cable ground shall be
connected to the grounding system of the building, as
close to the point of cable entry as practical.
CAUTION (FOR CANADA MODEL)
TO PREVENT ELECTRIC SHOCK, MATHC WIDE
BLADE OF PLUG TO WIDE SLOT AND FULLY INSERT.
FOR CANADIAN CUSTOMERS
THIS DIGITAL APPARATUS DOES NOT EXCEED THE
“CLASS B” LIMITS FOR RADIO NOISE EMISSIONS
FROM DIGITAL APPARATUS SET OUT IN THE
RADIO INTERFERENCE REGULATIONS OF THE
CANADIAN DEPARTMENT OF COMMUNICATIONS.