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Important Safety Instructions
11. DAMAGE REQUIRING SERVICE - the product should be serviced by
qualified personnel when:
A. The power supply cord or plug has been damaged.
B. Objects have fallen into, or liquid has been spilled into the product
enclosure.
C. The product has been exposed to rain.
D. The product has been dropped or the enclosure is damaged.
E. The product does not appear to operate normally or it exhibits a
marked change in performance.
12. SERVICING - The user should not attempt to service the product beyond
that described in the user’s operating manual. All other servicing should be
referred to qualified service personnel.
13. OUTDOOR ANTENNA GROUNDING - If an outside antenna is connect-
ed to the receiver, be sure that the antenna system is grounded so as to
provide protection against voltage surges and built up static charges. Section
810 of the National Electrical Code, ANS/-NFPA No. 70- 1984 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 grounding conductors, location of antenna discharge unit, connection to
grounding electrodes, and requirements for the grounding electrode.
See Figure-1.
ANTENNA
LEAD IN WIRE
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810 - 20)
GROUNDING CONDUCTORS
(NEC SECTION 810 - 21)
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250, PA RTH H)
GROUND CLAMPS
ELECTRIC
SERVICE
EQUIPMENT
Fig - 1
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EN