9)Ventilation - Openings in the enclosure, if any, are provided for ventilation and to ensure reliable operation of the unit and to protect it from overheating.These openings must not be blocked or covered.This unit should not be placed in a
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 you plan to use, consult your appliance dealer or local power company. For units intended to operate from battery power, or other sources, refer to the operating instructions.
11)Grounding or Polarization - This unit 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 should still fail to fit, contact your electrician to replace your obsolete outlet. Do not defeat the safety purpose of the polarized plug. Alternately, this unit may be equipped with a
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13)Power Lines - An outdoor 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 outdoor system, extreme care should be taken to keep from touching such power lines or circuits as contact with them might be fatal. U.S.A. models only - refer to the National Electrical Code Article 820 regarding installation of CATV systems.
14)Overloading - Do not overload outlets and extension cords as this can result in a risk of fire or electric shock.
15)Object and Liquid Entry - Never push objects of any kind into this unit through openings as they may touch dangerous voltage points or
16)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.
17)Damage Requiring Service - Unplug the unit from the outlet and refer servicing to qualified service personnel under the following conditions
a)When the
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 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 unit to its normal operation.
e)If the unit has been dropped or the cabinet has been damaged.
f)When the unit exhibits a distinct change in performance this indicates a need for service.
18)Replacement Parts - When replacement parts are required, be sure the service technician has used replacement parts specified by the manufacturer or have the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock or other hazards.
19)Safety Check - Upon completion of any service or repairs to this unit, ask the service technician to perform safety checks to determine that the unit is in proper operating condition.
20)Coax Grounding - If an outside cable system is connected to the unit, be sure the cable system is grounded. U.S.A. models
21)Lightning - For added protection of this unit 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 cable system.This will prevent damage to the unit due to lightning and
NOTE
•For permanently connected equipment, a readily accessible disconnect device shall be incorporated in the fixed wiring;
•For pluggable equipment, the
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