LG -E297M Owner's Manual page 5

All manuals and user guides at all-guides.com
14.Outdoor Antenna Grounding 18.Object and Liquid Entry
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 (U.S.A),
19.Servicing
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
20.Damage Requiring Service
grounding electrodes, and
requirements for the grounding
electrode. (See figure 1 on the right.)
15.Lightning
For added protection for this product
(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 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,
extreme care should be taken to keep
from touching such power lines or
circuits as contact with them might be
fatal.
17.Overloading
Do not overload wall outlets and 21.Replacement Parts
extension cords as this can result in a
risk of fire or electric shock.
used replacement parts specified by
Never push objects of any kind into the manufacturer or have the same
this product through openings as they characteristics as the original part.
may touch dangerous voltage points Unauthorized substitutions may result
or short-out parts that could result in a in fire, electric shock, or other
fire or electric shock. Never spill liquid hazards.
of any kind on the product.
22.Safety Check
Upon completion of any service or
Do not attempt to service this product repairs to this product, ask the service
yourself as opening or removing technician to perform safety checks to
covers may expose you to dangerous determine that the product is in proper
voltage or other hazards. Refer all operating condition.
servicing to qualified service
23.Wall or Ceiling Mounting
personnel.
The product should be mounted to a
wall or ceiling only as recommended
Unplug this product from the wall by the manufacturer.
outlet and refer servicing to qualified
24.Heat
service personnel under the following
The product should be situated away
conditions:
from heat sources such as radiators,
a. If the power-supply cord or plug is
heat registers, stoves, or other
damaged.
products (including amplifiers) that
b. If liquid has been spilled, or objects
produce heat.
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
the cabinet has been damaged.
f. If the product exhibits a distinct
change in performance.
When replacement parts are required,
be sure the service technician has
Figure 1
EXAMPLE OF GROUNDING ACCORDING TO
NATIONAL ELECTRICAL CODE INSTRUCTIONS
Antenna Lead in Wire
Ground
Clamp
Antenna Discharge Unit
(NEC Section 810-20)
Grounding Conductors
(NEC Section 810-21)
Electric Service
Equipment
Ground Clamps
Power Service Grounding
Electrode System
(NEC Art 250, Part H)
NEC - NATIONAL ELECTRICAL CODE
5