Yamaha RX-V990 Owner's Manual download pdf (Page 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.

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.

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Yamaha RX-V990 Owner's Manual Page 3

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