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12) Use only with the cart, stand, tripod, bracket, or table specified by
the manufacturer, or sold with the apparatus. When a cart is
used, use caution when moving the cart/apparatus combination
to avoid injury from tip-over.
13) Unplug this apparatus during lightning storms or when unused for
long periods of time.
14) Refer all servicing to qualified service personnel. Servicing is required when the
apparatus has been damaged in any way, such as power-supply cord or plug is
damaged, liquid has been spilled or objects have fallen into the apparatus, the
apparatus has been exposed to rain or moisture, does not operate normally, or
has been dropped.
15) Operate this product only from the type of power source indicated on the rear
panel. For products using an external power supply, use an exact replacement
if lost or damaged. For products operating from battery power, refer to the user
manual.
16) 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 changes. 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 dis-
charge unit, size of grounding conductors, location of antenna-discharge unit,
connection to grounding electrodes, and requirements for the grounding electrode.
See figure A.
FIGURE A
GROUND CLAMPS
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810-21)
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250, PART H)
ANTENNA
LEAD IN WIRE
2
FIGURE A