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Objects and Liquids - 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.
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.
Damage Requiring Service - Unplug
this product from the wall outlet and
refer servicing to qualified service
personnel under the following
conditions:
When the power-supply cord or
plug is damaged.
If liquid has been spilled or objects
have fallen into the product.
If the product has been exposed to
rain or water.
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 impro-
per adjustment of other controls
may result in damage and will often
require extensive work by a qualifi-
ed technician to restore the product
to normal operation.
If the product has been dropped or
damaged in any way.
When the product exhibits a distinct
change in performance.
Replacement Parts - When replace-
ment 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 subst-
itutions may result in fire, electric
shock, or other hazards.
Safety Check - Upon completion of
service or repairs to this product, ask
the service technician to perform
safety checks to determine that the
product is in proper operating condit-
ion.
Wall or Ceiling Mount - The product
should be mounted to a wall or ceiling
only as recommended by the
manufacturer.
Heat - The product should be situated
away from heat sources such as
radiators, heat registers, stoves, or
other products (including amplifiers)
that produce heat.
Power Lines - Locate an outdoor
antenna away from power lines.
Nonuse Periods- Unplug the
product's power cord when you will
not use it for extended periods.
Outdoor Antenna Grounding - If an
outside antenna or cable system is
connected to the product, ground the
antenna or cable system 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 about proper
grounding of the mast and supporting
structure, grounding of the lead-in
wire to an antenna discharge unit,
size of grounding conductors, locat-
ion of antenna-discharge unit, conn-
ection to grounding electrodes, and
requirements for the grounding
electrode. See the example below.
ELECTRIC SERVICE
EQUIPMENT
NEC-NATIONAL ELECTRICAL CODE
S2898A
GROUND CLAMPS
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250. PART H)
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810-20)
GROUND CLAMP
ANTENNA
LEAD IN
WIRE
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