9.Ventilation-Slots and openings in the cabinet and the back
or bottom are provided for ventilation and to ensure reliable
operation of the unit and to protect it from overheating, and
these openings must not be blocked or covered. The open-
ings should never be blocked by placing the unit on a bed,
sofa, rug, or other similar surface. This unit should never be
placed near or over a radiator or heat register. This 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 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, con-
sult your appliance dealer or local power company. For the
units intended to operate from battery power, or other
sources, refer to the operating instructions.
11.Grounding or Polarization-This unit 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 revers-
ing 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 par-
ticular 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 unit, be sure the antenna
or cable system is grounded so as to provide some protec-
tion against voltage surges and built-up static charges.
Article 810 of the National Electrical Code, ANSI/NFPA
No. 70, 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. (Fig. A)
14.Lightning-For added protection for this unit receiver dur-
ing 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 unit 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 unit through openings as they may touch danger-
ous voltage points or short out parts that could result in a
fire or electric shock. Never spill liquid of any kind on the
unit.
18.Servicing-Do not attempt to service this unit 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 unit 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 or frayed.
b. If liquid has been spilled, or objects have fallen into the
unit.
c. If the unit has been exposed to rain or water.
d. If the unit does not operate normally by following the oper-
ating instructions. Adjust only those controls that are cov-
ered by the operating instructions, as improper adjustment
of other controls may result in damage and will often
require extensive work by a qualified technician to restore
the unit to its normal operation.
e. If the unit has been dropped or damaged in any way.
f. When the unit 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 that have the same character-
istics as the original part. Unauthorized substitutions may
result in fire, electric shock, injury to persons or other haz-
ards.
21.Safety Check-Upon completion of any service or repairs to
this unit, ask the service technician to perform routine safe-
ty checks to determine that the unit is in proper operating
condition.
22.Heat-This unit product should be situated away from heat
sources such as radiators, heat registers, stoves, or other
products (including amplifiers) that produce heat.
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