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Important Safeguards
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. See example below:
EXAMPLE OF ANTENNA GROUNDING
13 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 or approaching such power lines or circuits as
contact with them might be fatal. Installing an outdoor antenna can be hazardous and
should be left to a professional antenna installer.
USE
14 Cleaning -- Unplug this video product from the wall outlet before cleaning. Do not
use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning.
15 Object and Liquid Entry -- Never push objects of any kind into this video 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 video
product.
16 Lightning -- For added protection for this video product during a lightning storm, or
when it its 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
video product due to lightning and power-line surges.
SERVICE
17 Servicing -- Do not attempt to service this video product yourself as opening or
removing covers may expose you to dangerous voltage or other hazards. Refer all
servicing to qualified service personnel.
18 Conditions Requiring Service -- Unplug this video product 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
b. If liquid has been spilled, or objects have fallen into the video product.
c. If the video product has been exposed to rain or water.
d. If the video product does not operate normally by following the operating instructions.
Adjust only those controls that are covered by the operating instructions. Improper
adjustment of other controls may result in damage and will often require extensive work
by a qualified technician to restore the video product to its normal operation.