KLH KDT133UY, Service Manual, Page: 37 / 64

3
Important Safeguards
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. 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 charges. Section 810 of the National Electrical
Code, ANSI/NFPA No. 70-1984 (Section 54 of Canadian Electrical Code, Part 1)
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 ground-
ing conductors, location of antenna-discharge unit, connection to grounding
electrode. See following example.
ELECTRIC
SERVICE
EQUIPMENT
NEC-NATIONAL ELECTRICALCODE
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250 PART H)
GROUND CLAMPS
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
ANTENNA
DISCHARGE UNINT
(NEC SECTION 810-21)
ANTENNA
LEAD IN
WIRE
16. Do not plug into AC power supply or DC power supply simultaneously.