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IMPORTANT SAFETY INSTRUCTIONS
18) Damage Requiring Service—Unplug this product from the wall outlet and refer servicing to
qualified service personnel under the following conditions:
a) When the AC cord or plug is damaged,
b) If liquid has been spilled, or objects have fallen into the product,
c) If the product has been exposed to rain or water,
d) If the product does not operate normally by following the operating instructions.
Adjust only those controls that are covered by the operating instructions as an improper
adjustment of other controls may result in damage and will often require extensive work by a
qualified technician to restore the product to its normal operation,
e) If the product has been dropped or damaged in any way, and
f) When the product exhibits a distinct change in performance - this indicates a need for service.
19) Replacement Parts—When replacement parts are required, be sure the service technician has
used replacement parts specified by the manufacturer or have the same characteristics as the
original part. Unauthorized substitutions may result in fire, electric shock, or other hazards.
20) Safety Check—Upon completion of any service or repairs to this product, ask the service
technician to perform safety checks to determine that the product is in proper operating
condition.
21) Wall or ceiling mounting—When mounting the product on a wall or ceiling, be sure to install the
product according to the method recommended by the manufacturer.
• These servicing instructions are for use by qualified service personnel only. To reduce
the risk of electric shock,do not perform any servicing other than that contained in
the operating instructions unless you are qualified to do so.
• Outdoor Antenna Grounding — If an
outside antenna is connected to the
television equipment, be sure the antenna
system is grounded so as to provide some
protection against voltage surges and built-
up static charges.
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 discharge unit,
size of grounding conductors, location
of antenna-discharge unit, connection to
grounding electrodes, and requirements for
the grounding electrode.
EXAMPLE OF ANTENNA GROUNDING AS PER
NATIONAL ELECTRICAL CODE, ANSI/NFPA 70
ANTENNA
LEAD IN WIRE
GROUND
CLAMP
NEC — NATIONAL ELECTRICAL CODE
GROUNDING
CONDUCTORS
(NEC SECTION 810-21)
GROUND CLAMPS
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250, PART H)
ELECTRIC
SERVICE
EQUIPMENT
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810-20)
CAUTION
• Warning statement indicating that Class I apparatus shall be connected to a mains socket
outlet with a protective earthing connection.
• Statement indicating that when the mains plug or appliance coupler shall remain readily
operable.
• Where the MAINS plug or an appliance coupler is used as the disconnect device, the
disconnect device shall remain readily operable.
• Where an all-pole MAINS SWITCH is used as the disconnect device, the location on the
apparatus and the function of the switch shall be described, and the switch shall remain readily
operable.