Bedienungsanleitung Marantz SR7400 (Seite 3 von 178) (Englisch, Französisch, Portugiesisch, Spanisch)

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12. Grounding or Polarization – This product may

be equipped with a polarized alternating-

current line plug (a plug having one blade

wider than the other). This plug will fit into the

power outlet only one way. This is a safety

feature. If you are unable to insert the plug

fully into the outlet, try reversing the plug. If the

plug should still fail to fit, contact your

electrician to replace your obsolete outlet. Do

not defeat the safety purpose of the polarized

plug.

AC POLARIZED PLUG

13. Power-Cord Protection – Power-supply cords

should be routed so that they are not likely to

be walked on or pinched by items placed upon

or against them, paying particular attention to

cords at plugs, convenience receptacles, and

the point where they exit from the product.

14. Protective Attachment Plug – The product is

equipped with an attachment plug having

overload protection. This is a safety feature.

See Instruction Manual for replacement or

resetting of protective device. If replacement

of the plug is required, be sure the service

technician has used a replacement plug

specified by the manufacturer that has the

same overload protection as the original plug.

15. 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. See Figure 1.

16. Lightning – For added protection for this

product during a lightning storm, or when it is

left unattended and unused for long periods of

time, unplug it from the wall outlet and

disconnect the antenna or cable system. This

will prevent damage to the product due to

lightning and power-line surges.

17. Power Lines – An outside antenna system

should not be located in the vicinity of

overhead power lines or other electric light or

power circuits, or where it can fall into such

power lines or circuits. When installing an

outside antenna system, extreme care should

be taken to keep from touching such power

lines or circuits as contact with them might be

fatal.

18. Overloading – Do not overload wall outlets,

extension cords, or integral convenience

receptacles as this can result in a risk of fire or

electric shock.

19. Object and Liquid Entry – Never push objects

of any kind into this product through openings

as they may touch dangerous voltage points

or short-out parts that could result in a fire or

electric shock. Never spill liquid of any kind on

the product.

20. Servicing – Do not attempt to service this

product yourself as opening or removing

covers may expose you to dangerous voltage

or other hazards. Refer all servicing to

qualified service personnel.

21. Damage Requiring Service – Unplug this

product from the wall outlet and refer servicing

to qualified service personnel under the

following conditions:

a. When the power-supply cord or plug is

damaged.

b. If liquid has been spilled, or objects have

fallen into the product.

c. If the product has been exposed to rain or

water.

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

performance – this indicates a need for

service.

FIGURE 1

EXAMPLE OF ANTENNA GROUNDING AS PER

NATIONAL ELECTRICAL CODE, ANSI/NFPA 70

This Class B digital apparatus complies with

Canadian ICES-003.

Cet appareil numérique de la Classe B est conforme

à la norme NMB-003 du Canada.

NEC - NATIONAL ELECTRICAL CODE

ANTENNA

LEAD IN WIRE

GROUND

CLAMP

ANTENNA

DISCHARGE UNIT

(NEC SECTION 810-20)

GROUNDING CONDUCTORS

(NEC SECTION 810-21)

ELECTRIC

SERVICE

EQUIPMENT

GROUND CLAMPS

POWER SERVICE GROUNDING

ELECTRODE SYSTEM

(NEC ART 250, PART H)

22. 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.

23. 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.

24. Wall or Ceiling Mounting – The product should

be mounted to a wall or ceiling only as

recommended by the manufacturer.

25. Heat – The product should be situated away

from heat sources such as radiators, heat

registers, stoves, or other products (including

amplifiers) that produce heat.

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