Denver DVH-7781 Manuel d'instructions télécharger pdf (Page 3)

Power-Cord Protection - Route the power cord

so that it is not likely to be walked on or pinched

by items placed upon or against them, paying

particular attention to the plugs, receptacles, and

the point where the cord exits from the appliance.

Lightning - For added protection for this appliance

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 appliance due to lightning and powerline

surges.

Cleaning - Unplug the appliance from the wall

outlet before cleaning or polishing it. Do not

use

liquid cleaners or aerosol cleaners. Use a cloth

lightly dampened with water for cleaning the

exterior of the appliance.

Clean the appliance only

as recommended.

Object and Liquid Entry - Never push objects

of any kind into the appliance 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

the appliance.

ANTENNAS

Outdoor Antenna Grounding - If an outdoor antenna or cable system is

installed, follow the precautions below.

An outoor antenna system should not be located in the vicinity of

overhead power lines or other electric light or

power circuits, or where

can come in contact with such power lines

or circuits.

WHEN INSTALLING AN OUTDOOR ANTENNA SYSTEM, EXTREME

CARE SHOULD BE TAKEN TO KEEP FROM CONTACTING SUCH

POWER LINES OR CIRCUITS AS CONTACT WITH THEM IS

ALMOST

INVARIABLY

FATAL.

Antenna Grounding According to the National Electrical code

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

Ground Clamp

Be sure the antenna system is gorunded so as to provide some protection

against voltage surges and built-up static charges. Section 810 of the

National Electrical Code provides information with respect 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.

NEC-NATIONAL ELECTRICAL

CODE

SERVICE

Damage Requiring Service- Unplug the

appliance from the wall outlet and refer

servicing to qualified service personnel under

the following conditions:

- When the power cord or plug is damaged or

frayed.

- The appliance does not appear to operate

normally or exhibits a marked change in

performance. - This indicates

a need for service.

Servicing - Do not attempt to service the

appliance yourself as opening

or removing covers

may expose you to dangerous voltage or other

hazards. Refer all servicing to qualified service

personnel.

- If liquid has been spilled or objects have fallen

into the appliance.

- If the appliance does not operate normally

when following the operating instructions, adjust

only those controls that are specified in the

operating instructions. Improper adjustment

other controls may result in damage and will

often require extensive work by a qualified

technician to restore the appliance to normal

operation.

- If the appliance has been exposed to rain or

water.

- If the appliance has been subject to excessive

shock by being dropped, or the cabinet has been

damaged.

Replacement parts- When replacement parts are

required, be sure the service technician has used

replacement parts specified that have

the

same characteristics as the original parts.

Unauthorized substitutions may result

in fire,

electric shock,or other

hazards.

Safety Check - Upon completion of any service

or repairs to the appliance, ask the service

technician to perform routine safety checks)as

specified ) to determine that

the appliance

si in safe operating condition.

1. Do not install this equipment in a confined or building-in space such as a book case or similar unit, and

remain a well ventilation conditions. The ventilation should not be impeded by covering the ventilation

openings with items such as newspaper, table-cloths, curtains etc. Minimum 10 cm distance around the

apparatus for sufficient ventilation.

2. WARNING：To reduce the risk of fire or electric shock, do not expose this apparatus to rain or

moisture. The apparatus shall not be exposed to dripping or splashing and that objects filled with liquids,

such as vases, shall not be placed on apparatus.

3. WARNING: The batteries shall not be exposed to excessive heat such as sunshine, fire or the like.

4. WARNING: The mains plug is used as disconnect device, the disconnect device shall remain readily

operable.

5. Invisible laser radiation when open and interlocks defeated. Avoid exposure to beam of laser.

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Denver DVH-7781 Manuel d'instructions Page 3

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