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18. Lightning — For added protection for this product during a light-
ning storm, or when it is left unattended and unused for long peri-
ods of time, unplug it from the wall outlet and disconnect the
antenna or cable system. This will prevent damage to the prod-
uct due to lightning and power-line surges.
19. Overloading — Do not overload wall outlets, extension cords, or
integral convenience receptacles, as this can result in a risk of
fire or electric shock.
20. Objects and Liquids — Never push objects of any kind into this
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 product.
21. Servicing — Do not attempt to service this product yourself, as
opening or removing covers may expose you to dangerous volt-
age or other hazards. Refer all servicing to qualified service per-
sonnel.
22. Damage Requiring Service — Unplug this product from the wall
outlet and refer servicing to qualified service personnel under the
following conditions:
• When the power-supply cord or plug is damaged.
• If liquid has been spilled or objects have fallen into the prod-
uct.
• If the product has been exposed to rain or water.
• If the product does not operate normally by following the oper-
ating 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 product
to normal operation.
• If the product has been dropped or damaged in any way.
• When the product exhibits a distinct change in performance.
23. Replacement Parts — When replacement parts are required, be
sure the service technician uses replacement parts specified by
the manufacturer or having the same characteristics as the origi-
nal part. Unauthorized substitutions may result in fire, electric
shock, or other hazards.
24. Safety Check — Upon completion of service or repairs to this
product, ask the service technician to perform safety checks to
determine that the product is in proper operating condition.
25. Wall or Ceiling Mount — The product should be mounted to a
wall or ceiling only as recommended by the manufacturer.
26. Heat — The product should be situated away from heat sources
such as radiators, heat registers, stoves, or other products
(including amplifiers) that produce heat.
27. Non-use Periods — Unplug the system’s power cord when you
will not use it for extended periods.
28. Outdoor Antenna Grounding — If an outside antenna or cable
system is connected to the product, be sure the antenna or cable
system is grounded so as to provide some protection against
voltage surges and built-up static charges. Article 810 of the
National Electrical Code, ANSI/NFPA 70, provides 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.
Note to CATV System Installer
This reminder is provided to call the CATV system installer’s attention
to Section 820-40 of the NEC which provides guidelines for proper
grounding and, in particular, specifies that the cable ground shall be
connected to the grounding system of the building, as close to the
point of cable entry as practical.
Power Lines — An outside antenna system should not be located in
the vicinity of overhead power lines or other electric light or power cir-
cuits, or where it can fall into such power lines or circuits. When in-
stalling 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.