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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
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 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