Zenith SENTRY 2 SY2500 Operating Manual & Warranty page 4

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SAFETY TIPS
14. 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 for the grounding electrode.
EXAMPLE OF GROUNDING ACCORDING TO
NATIONAL ELECTRICAL CODE INSTRUCTIONS
Ground _--__ Antenna Lead in Wire
Clamp".,,,,,.,,._ "[[ [ "_ Antenna Discharge Unit
Grounding Conductors
[
Electric Service
I ]_.,_........._,/_
(NEC Section 810-21)
l
E0o,,_eot..q_
/_//I S
Ground Clamps
-_ I_ill i .- / ._-......._ Power Service Grounding
Electrode System (NEC
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.
16. 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, extreme care should be taken
to keep from touching such power lines or circuits
as contact with them might be fatal.
lET. Overloading
Do not overload wall outlets and extension cords as
this can result in a risk of fire or electric shock.
18.
19.
20.
Object and Liquid Entry
Never push objects of any kind into this product
through openings as they may touch dangerous volt-
age points or short-out parLs that could result in a
fire or electric shock. Never spill liquid of any kind
on the product.
Servicing
Do not attempt to servicz this product yourself as
opening oi' removing covers may expose you to dan-
gerous voltage or other hazards. Refer all servicing
to qualified service personnel.
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 does not operate normally by fol-
lowing 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 re-
quire extensive work [z.ya qualified technician
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 exhib!its a distinct ch;mge, in per-
formance.
21. Replacement Parts
When replacement parts are required, be sure the
service technician has used replacement parts speci-
fied by the manufacturer or have the same
characteristics as the orignal part. Unauthorized
substitutions may resull in fire, electric shock, or
other hazards.
22. 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.
23. Wall or Ceiling Mounting
The product should be mounted to a wall or ceiling
only as recommended by the manufacturer.
24. Heat
The product should be situated away from heat
sources such as radiators, heat register% stoves, or
other products (including amplifiers) that produce
heat.
ENGSAF4
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