Bedienungsanleitung Yamaha HTR-5790 (Seite 3 von 90) (Englisch)

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IMPORTANT SAFETY INSTRUCTIONS

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

d) If the product does not operate normally by following

the operating instructions. Adjust only those controls

that are covered by the operating instructions as an

improper adjustment of other controls may result in

damage and will often require extensive work by a

qualified technician to restore the product to its normal

operation,

e) If the product has been dropped or damaged in any

way, and

f) When the product exhibits a distinct change in perfor-

mance - this indicates a need for service.

20 Replacement Parts – When replacement parts are required,

be sure the service technician has used replacement parts

specified by the manufacturer or have the same

characteristics as the original part. Unauthorized

substitutions may result in fire, electric shock, or other

hazards.

21 Safety Check – Upon completion of any service or repairs to

this product, ask the service technician to perform safety

checks to determine that the product is in proper operating

condition.

22 Wall or Ceiling Mounting – The unit should be mounted

to a wall or ceiling only as recommended by the

manufacturer.

23 Heat – The product should be situated away from heat

sources such as radiators, heat registers, stoves, or other

products (including amplifiers) that produce heat.

24 Outdoor Antenna Grounding – If an outside antenna or

cable system is connected to the product, be sure the antenna

or cable 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.

FCC INFORMATION (for US customers)

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.

00_HTR-5790U_EN.book Page 3 Tuesday, December 9, 2003 9:16 AM

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