IMPO)
12. Outdoor A
cable syste
antenna or
protection
i
Section 8 I(
No. 70-198
Part 1)
pro’
grounding 1
of the
lead-
grounding I
connection
the
groundi
Example of An
ELECTRIC
SERVI
EOUIPMENT
13. Power
Linl
located in t
electric
ligt
power lines
system, ext
or approac
t
them might
hazardous
i
installer.
Use
14.
Cleaning-
before
cleal
cleaners.
L
15. Object
ani
into this vie
dangerous
1
result in a f
kind on the
IZTANT
SAFEGUARDS
(continued)
tenna
Grounding-If an outside antenna or
is connected to the video product, be sure the
able
system is grounded so as to provide some
ainst voltage surges and built-up static charges.
If
the National Electrical Code,
ANSVNFPA
(Section 54 of Canadian Electrical Code,
les
information with respect to proper
the mast and supporting structure, grounding
I wire to an antenna-discharge unit, size of
Inductors, location of antenna-discharge unit,
)
grounding electrodes, and requirements for
5
electrode. See example below.
:nna
Grounding
16. Lightning-For added protection for this video product
during 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 video product due to lightning and
power line surges.
GROUNO CLAMP
OISCHAAGE
UNIT
(NEC SECTION
810-201
NOlNG CONOUCTORS
SECTION
SIG-21)
-
POWER SERVICE
GROUNOING
ELECTAOOE
SYSTEM
(NEC
ART
250.
PART
H)
-An outside antenna system should not be
: vicinity of overhead power lines, other
or power circuits, or where it can fall into such
lr
circuits. When installing an outside antenna
me care should be taken to keep
from,touching
lg
such power lines or circuits as contact with
‘e
fatal. Installing an outdoor antenna can be
d should be left to a professional antenna
Jnplug this video product from the wall outlet
ng. Do not use liquid cleaners or aerosol
:
a damp cloth for cleaning.
,iquid
Entry-Never push objects of any kind
o product through openings as they may touch
lltage points or “short-out” parts that could
:
or electric shock. Never spill liquid of any
ideo product.
Service
17. Servicing-Do not attempt to service this video product
yourself as opening or removing covers may expose you to
dangerqus
voltage or other hazards. Refer all servicing to
qualified service personnel.
18. Conditions Requiring Service-Unplug this video product
from the wall outlet and refer servicing to qualified service
personnel under the following conditions.
A. When the power-supply cord or plug is damaged.
B. If liquid has been spilled. or objects have fallen into the
video product.
C. If the video product has been exposed to rain or water.
D. If the video product does not operate normally by
following the operating instructions. Adjust only those
controls that are covered by the operating instructions.
Improper adjustment of other controls may result in
damage and will often require extensive work by a
qualified technician to restore the video product to its
normal operation.
E. If the video product has been dropped or the case has
been damaged.
F. When the video product exhibits a distinct change in
performance-this indicates a need for service.
19. Replacement Parts-When replacement parts are required,
have the service technician verify that the replacements he
uses have the same safety characteristics as the original
parts. Use of replacements specified by the video product
manufacturer can prevent fire, electric shock, or other
hazards.
20. Safety Check-Upon completion of any service or repairs
to this video product, ask the service technician to perform
safety checks recommended by the manufacturer to
determine that the video product is in safe operating
condition.
.
.
.
111
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