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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.
Servicing — Do not attempt to service this product yourself, as opening or removing covers may
expose you to dangerous voltage or other hazards. Refer all servicing to qualified service personnel.
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 product.
• If the product has been exposed to rain or water.
• If the product 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 product to normal operation.
• If the product has been dropped or damaged in any way.
• When the product exhibits a distinct change in performance.
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 original
part. Unauthorized substitutions may result in fire, electric shock, or other hazards.
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.
Wall or Ceiling Mount — The product should be mounted to a wall or ceiling only as recommended by
the manufacturer.
Heat — The product should be situated away from heat sources such as radiators, heat registers,
stoves, or other products (including amplifiers) that produce heat.
Power Lines — Locate any outdoor antenna away from power lines.
Nonuse Periods — Unplug the product’s power cord when you will not use it for extended periods.
Outdoor Antenna Grounding — If an outside antenna or cable system is connected to the product,
ground the antenna or cable system 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 about 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 the example
below.