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Before you start
Precautions (cont’d)
IMPORTANT SAFEGUARDS
1. Read Instructions - All the safety and operating
instructions should be read before the appliance is
operated.
2. Retain Instructions- The safety and operating instructions
should be retained for future reference.
3. Heed Warnings - All warnings on the appliance and in the
operating instructions should be adhered to.
4. Follow Instructions - All operating and use instructions
should be followed.
5. Cleaning - Unplug this product from the wall outlet before
cleaning. Do not use liquid cleaners or aerosol cleaners.
Use a damp cloth for cleaning.
EXCEPTION: A product that is meant for uninterrupted
service and, that for some specific reason, such as the
possibility of the loss of an authorization code for a CATV
converter, is not intended to be unplugged by the user for
cleaning or any other purpose, may exclude the reference
to unplugging the appliance in the cleaning description
otherwise required in item 5.
6. Attachments - Do not use attachments not recommended
by the product manufacturer as they may cause hazards.
7. Water and Moisture- Do not use this product near water,
for example, near a bath tub, wash bowl, kitchen sink, or
laundry tub, in a wet basement, or near a swimming pool,
and the like.
8. Accessories - Do not place this product on an unstable
cart, stand, tripod, bracket, or table. The product may
fall, causing serious injury to a child or adult, and
serious damage to the appliance. Use only with a cart,
stand, tripod, bracket, or table recommended by the
manufacturer, or sold with the product. Any mounting
of the appliance should follow the
manufacturer's instructions and
should use a mounting accessory
recommended by the manufacturer. An
appliance and cart combination should
be moved with care. Quick stops,
excessive force, and uneven surfaces
may cause the appliance and cart
combination to overturn.
9. Ventilation - Slots and openings in the cabinet are
provided for ventilation and to ensure reliable operation
of the product and to protect it from overheating, and
these openings must not be blocked or covered. The
openings should never be blocked by placing the product
on a bed, sofa, rug, or other similar surface. This product
should not be placed in a built-in installation such as a
bookcase or rack unless proper ventilation is provided or
the manufacturer's instructions have been adhered to.
10. Power Sources - This product should be operated only
from the type of power source indicated on the marking
label. If you are not sure of the type of power supply
to your home, consult your appliance dealer or local
power company. For products intended to operate from
battery power, or other sources, refer to the operating
instructions.
11. Grounding or Polarization - This product is 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.
12. 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
appliance.
13. 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 No. 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. (Fig. A)
14. 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.
15. 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.
16. Overloading - Do not overload wall outlets and extension
cords as this can result in a risk of fire or electric shock.
17. Object and Liquid Entry - Never push objects of any kind
into this product through any 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.
18. 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.
19. 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.
f. When the product exhibits a distinct change in
performance 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. Heat - This product should be situated away from heat
sources such as radiators, heat registers, stoves, or other
products (including amplifiers) that produce heat.
FIGURE A
EXAMPLE OF ANTENNA GROUNDING
AS PER NATIONAL ELECTRICAL CODE
ANTENNA
LEAD
WIRE
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810-20)
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
GROUND
CLAMP
GROUND CLAMP
ELECTRIC
SERVICE
EQUIPMENT
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250, PART H)
NEC – NATIONAL ELECTRICAL CODE
S2898A
E9A10UD_DVR90VG.indd 3 2005/12/26 18:54:52