Zenith Sentry 2 Z25X22 Operating Manual & Warranty page 4

IMPORTANT SAFETY. INSTRUCTIONS
114. Outdoor Antenna Grounding
• 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.
Article 810 of the National Electrical Code
(U.S.A.), 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 con-
ductors, location, of antenna-discharge unit,
connection to grounding electrodes, and require-
ments fer the grounding electrode.
EXAMPLE OF GROUNDING ACCORDING TO
NATIONAL ELECTRICAL CODE INSTRUCTIONS
Antennfi Lead in Wire
J' Ground
_ Clamp_ _ ! Antenna Discharge Unit
(NEC Section 810-20)
Grounding Conductors
(NEC Section 810-21) ,
I EleCtl_i:luipment
I,........._.....__ll __ Ground Clamps Electrode System (NEC
Power Service Grounding
Art 250, Part H)
NEC - NATIONAL ELECTRICAL CODE
15. Lightning
For added protection for this product (receiver) dur-
ing a lightning storm, or when it is left unattended
and unused for long periods of time, unplug it from
the wall outlet and disconnect the antenna or cable
system. This will prevent damage to the product
due to lightning and power-line surges.
I6.. Power Lines
An outside antenna system should not be located in
the vicinity of overhead power lines or other elec-
tric light or power circuits, or where it can fall into
such power lines or circuits. When installing an out-
side antenna system, take extreme care to keep
from touching such power lines or circuits, as
contact with them might be fatal.
1.7. Overloading
Do not overload wall outlets and extension cords,
as this can result in a risk of fire or electric shock.
18. Object and Liquid Entry
Never pttsh objects of a_ly kind into this product
through openings, as I:h_;y may touch dangerous
voltage points or short-out parts that could result in
a fire or electric shock. Never spill liquid of any
kind on the product.
19. Servicing
Do not attempt to service this product yourself, as
opening or removing covers may expose you to dan-
gerous voltage or other hazards. Refer al_ servicing
to qualifiied service personnel.
20. Damage Requiring Service
Unplug this product from the wall outlet and refer
servicing: tO qualified service personnel under the
following conditions:
a. If the power-supply 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 doe,; not operate normally by fol-
lowing the operating instructions. Adjust only
those controls that are covered by the operating
instructions; improper adjustment of other con-
trols may result in damage and will often re-
quire extensive work by a qualified te,chnician
to restore the product to its normal operation.
e. If the product has been dropped or the cabinet
has been damaged
f. If the product exhibits a distinct change in per-
formance.
21. Replacement Parts
When replacement parts are required, be sure the
service technician has u:;ed replacement parts
specified by the manufacturer or that have the same
characteristics as the original part. Unauthorized
substitutions may result in fire, electric shock, or
other hazards.
22, Safety Check
Upon completion of a_ay service or re?airs to this
product, ask the service technician to perform
safety checks to determine that the product is in
proper operating condition.
23. Wall or Ceiling Mount_ing
Mount the product to a wall or ceiling only as
recommended by the manufacturer.
24. Heat
Keep the product away from heat sources such as
radiators, heat registers, stoves, or other products
(including amplifiers) t17 at produce heat.
2ENGSAFE
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