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Safety Information (cont’d) 5
IMPORTANT SAFETY INSTRUCTIONS
1. Read instructions. Read all the safety and operating
instructions before operating the product.
2. Retain instructions. Keep the safety and operating
instructions for future reference.
3. Heed warnings.Adhere to all warnings on the product and in
the operating instructions.
4. Follow instructions.Follow all operating and use instructions.
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.
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 bathtub,washbowl,kitchen sink, or
laundry tub, in a wet basement,near a swimming pool,etc.
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
product.Use only with a cart, stand,tripod, bracket, or table
recommended by the manufacturer or sold with the
product.Any mounting of the product should follow the
manufacturer’s instructions and should use a mounting
accessory recommended by the manufacturer.
9. Move a product and cart combination with care. Quick
stops, excessive force,and uneven surfaces may
cause the product and cart combination to
overturn.
10. Ventilation – Slots and openings in the cabinet provide
ventilation,ensure reliable operation of the product, and
protect it from overheating.Do not block or cover these
openings.The openings should never be blocked by placing
the product on a bed,sofa, rug,or other similar surface. Do
not place this product 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.
11. 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 product dealer or local power company. For
products intended to operate from battery power,or other
sources,refer to the operating instructions.
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 still fails to fit,contact your electrician to
replace your obsolete outlet. Do not defeat the safety
purpose of the polarized plug.
13. Power-Cord Protection – Route power supply cords so 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. 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 at right.
15. 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.
16. 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, take extreme care to keep it from touching such
power lines or circuits; contact with them might be fatal.
17. Overloading – Do not overload wall outlets,extension
cords,or integral convenience receptacles.This can result in
a risk of fire or electric shock.
18. Object and Liquid Entry – Never push objects of any kind
into this product through openings; they may touch
dangerous voltage points or short out parts, resulting in a
fire or electric shock.Never spill liquid of any kind on the
product.
19. Servicing – Do not attempt to service this product yourself.
Opening or removing covers may expose you to dangerous
voltage or other hazards. Refer all servicing to qualified
service personnel.
20. 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 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 covered by
the operating instructions.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.
21. Replacement Parts – When replacement parts are required,
be sure the service technician uses replacement parts
specified by the manufacturer or having the same
characteristics as the original part. Unauthorized
substitutions may result in fire,electric shock, or other
hazards.
22. 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.
23. Wall or Ceiling Mounting – Mount the product to a wall or
ceiling only as recommended by the manufacturer.
24. Heat - Situate this product away from heat sources,such as
radiators, heat registers, stoves, or other products (including
amplifiers) that produce heat.
25. Battery usage CAUTION - To prevent battery leakage that
may result in bodily injury,property damage,or damage to
the unit:
• Install all batteries correctly,with + and - aligned as marked
on the unit.
• Do not mix batteries (old/new,carbon/alkaline,etc.).
• Remove batteries when the unit is not used for a long
time.
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)
GROUND CLAMP
ELECTRIC SERVICE EQUIPMENT
Example of Antenna Grounding
per National Electrical Code
MDV455_17x 11/11/03 4:34 PM Page 5