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the DST-3000 receiver, be sure the antenna system is
grounded so as to provide some protection against
voltage surges and built-up static charges. Section 810 of
the NEC, NFPA No. 70 1987, provides information with
respect to 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
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 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 Lines—Extreme care must be taken when
installing and adjusting or maintaining the outdoor
Servicing—Do not attempt to service this DST-3000
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 DST-
3000 receiver from the wall outlet and refer servicing to
qualified personnel under the following conditions:
When the power supply cord or plug is damaged.
G
If liquid has been spilled on, or objects have fallen
G
into, the DST-3000 receiver or it has been exposed to
water.
If the DST-3000 receiver does not operate normally by
G
following the operating instructions. Adjust only those
Installation
antenna and connecting cable, especially in the vicinity 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 DST-3000 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 DST-3000 receiver through openings as
they may touch dangerous voltages or short out parts that
may result in property damage or electric shock. Never
spill liquid of any kind on the DST-3000 receiver. No
objects filled with liquids, such as vases, shall be placed
on the apparatus.
SERVICE
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 DST-3000 receiver to its normal opera-
tion.
If the DST-3000 receiver has been dropped or the cab-
G
inet has been damaged.
When the DST-3000 receiver exhibits a distinct
G
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.
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