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proper grounding of the mast and supporting structure,
grounding of the lead-in wire to an antenna discharge
unit, size of the grounding conductors, location o f
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 particularly 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 L ines—Extreme care must be taken when
installing and adjusting or maintaining the outdoor
antenna and connecting cable, especially in the vici nity of
overhead power lines, electric lights, or power circuits.
When installing the outdoor antenna or cable, extreme
care should be taken to keep from touching or
approaching such power lines or circuits, as contact with
them might be fatal.
Cleaning—Unplug this HD receiver from the wall outlet
before cleaning. Do not use liquid cleaners or aerosol
cleaners. Clean only with dry cloth.
Object and Liquid Entry—Never push objects of any
kind into this HD receiver through openings as they may
touch dangerous voltages or short out parts that could
result in a fire or electric shock. Never spill liquid of any
kind on the HD receiver. No objects filled with liquids,
such as vases, shall be placed on the apparatus.
Servicing—Do not attempt to service this HD receiver
yourself as opening or removing covers may expose you
to dangerous voltage or other hazards. There are no user
serviceable parts inside. Refer all servicing to qualified
service personnel.
Conditions Requiring Service—Unplug the HD
receiver from the wall outlet and refer servicing to
qualified personnel under the following conditions:
●When the power supply cord or plug is damaged.
●If liquid has been spilled on, or objects have fallen
into, the HD receiver or it has been exposed to water.
●If the HD receiver does not operate normally by fol-
lowing the operating instructions. Adjust only those
controls that are covered by the operating instructions.
Other adjustments may result in damage and will
often require extensive work by a qualified technician
to restore the HD receiver to its normal operation.
●If the HD receiver has been dropped or the cabinet has
been damaged.
●When the HD receiver exhibits a distinct change in
performance.
Replacement Parts—When replacement parts are
required, have the technician verify that the replacements
being used have the same safety characteristics as the
original parts. Use of replacement parts specified by the
manufacturer can prevent fire, electric shock, or other
hazards.
Safety Check—Upon completion of any service or
repairs to this HD receiver, ask the service technician to
perform safety checks recommended by the manufacturer
to determine that the HD receiver is in safe operating
condition.
SERVICE
Installation