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Grounding or Polarization: This product may be equipped with a polarized alternating-cur-
rent line plug that has one blade wider than the other. This plug will only t into the power outlet
in one direction. This is a safety feature. If you are unable to insert the plug fully into the outlet,
try reversing the direction of the plug. If the plug should still fail to t, contact an electrician to
replace the obsolete outlet. Do not defeat the safety purpose of the polarized plug.
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 at plugs, convenience receptacles, and at the point which they exit from the product.
Protective Attachment Plug: The product may be equipped with an attachment plug with
overload protection. This is a safety feature. See the operating instructions for replacement
or directions to reset the protective device. If replacement of the plug is required, be sure
the service technician has used a replacement plug that has the same overload protection
as the original plug as specied by the manufacturer.
Outdoor Antenna Grounding: If an outside antenna is connected to the product, be sure
the antenna system is grounded so as to provide some protection against voltage surges
and built-up static charges. Article 810 of the National Electrical Code, ANS/NFPA 70 pro-
vides 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 grounding electrodes, and requirements
for the grounding electrode (see gure).
Lightning: For added protection for this product, unplug it from the wall outlet and disconnect the
antenna or cable system during a lightning storm or when it is left unattended and unused for long
periods of time. This will prevent damage to the product due to lightning or power-line surges.
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Important Safety Instructions