Bedienungsanleitung Yamaha GX707 (Seite 3 von 52) (Englisch)

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19 For US customers only:

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.

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.

EXAMPLE OF ANTENNA GROUNDING

MAST

GROUND

CLAMP

ANTENNA

LEAD IN

WIRE

ANTENNA

DISCHARGE UNIT

(NEC SECTION 810–20)

GROUNDING CONDUCTORS

(NEC SECTION 810–21)

GROUND CLAMPS

POWER SERVICE GROUNDING

ELECTRODE SYSTEM

(NEC ART 250. PART H)

ELECTRIC

SERVICE

EQUIPMENT

NEC

– NATIONAL ELECTRICAL CODE

FCC INFORMATION (for US customers only)

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 or 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. 6660 Orangethorpe Ave, Buena Park, CA

90620.

The above statements apply ONLY to those

products distributed by Yamaha Corporation of

America or its subsidiaries.

We Want You Listening For A Lifetime

YAMAHA and the Electronic Industries Association’s Consumer

Electronics Group want you to get the most out of your

equipment by playing it at a safe level. One that lets the sound

come through loud and clear without annoying blaring or

distortion – and, most importantly, without affecting your

sensitive hearing.

Since hearing damage from loud sounds is often

undetectable until it is too late, YAMAHA and the

Electronic Industries Association’s Consumer

Electronics Group recommend you to avoid

prolonged exposure from excessive volume levels.

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Yamaha GX707 Seite 3

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