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Before Use
11. Grounding or Polarization — This video unit may be
equipped with either a polarized 2-wire AC
(Alternating Current) line plug (a plug having one
blade wider than the other) or 3-wire grounding type
plug, a plug having a third (grounding) pin.
The 2-wire polarized 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.
The 3-wire grounding type plug will fit into a
grounding type power outlet. This is a safety feature.
If you are unable to insert the plug into the outlet,
contact your electrician to replace your obsolete
outlet. Do not defeat the safety purpose of the
grounding type 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 of
plugs, convenience receptacles, and the point
where they exit from the unit.
13. Outdoor Antenna Grounding — If an outside
antenna or cable system is connected to the video
unit, be sure the antenna or cable system is
grounded so as to provide some protection against
voltage surges and built-up static charges. Part 1 of
the Canadian Electrical Code, in USA 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.
14. Lightning — For added protection of this video unit
receiver 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 video unit due to lightning and power-line
surges.
1. Read Instructions — All the safety and operating
instructions should be read before the unit is
operated.
2. Retain Instructions — The safety and operating
instructions should be retained for future reference.
3. Heed Warnings — All warnings on the unit and in the
operating instructions should be adhered to.
4. Follow Instructions — All operating and maintenance
instructions should be followed.
5. Cleaning — Unplug this video unit from the wall outlet
before cleaning. Do not use liquid or aerosol
cleaners. Use a dry cloth for cleaning.
6. Attachments — Do not use attachments not
recommended by the video product manufacturer as
they may be hazardous.
7. Water and Moisture — Do not use this video unit 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 video unit on an
unstable cart, stand, tripod, bracket, or table. The
video unit may fall, causing serious injury to a child or
adult, and serious damage to the unit. Use only with
a cart, stand, tripod, bracket, or table recommended
by the manufacturer, or sold with the video unit. Any
mounting of the unit 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 video unit and to protect it from
overheating. These openings must not be blocked or
covered. Never place the video unit on a bed, sofa,
rug, or other similar surface, or near or over a radiator
or heat register. This video unit 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 video unit 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 video units intended to
be operated from battery power, or other sources,
refer to the operating instructions.
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)
NATIONAL ELECTRICAL CODE
NEC
ELECTRIC
SERVICE
EQUIPMENT
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Important Safeguards
DV52.p 1-4.p65 02/05/28, 10:353