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13. F ollow all w arnings
and instructions
marked
onthe television
equipment.
14. I fanoutside antenna
isconnected
tothe television
equipment,
be sure t he antenna
system isgrounde
so astoprovide some protection
against
voltage surges and built-up static charges.
Section 810 ofthe
National Electrical
Code p rovides information
with respect toproper grounding
ofthemast and
supporting
structure grounding
ofthe lead-in wire toanantenna discharge
unit s ize ofgroundin
conductors,
location ofantenna-discharge
unit c onnection
togrounding
electrodes,
and requiremen
for t he grounding
electrode.
EXAMPLE
OF
ANTENNA
GROUNDING
ACCORDING
TO NATIONAL
ELECTRICAL
CODE.
ANTENNA
LEAD IN WIRE
_
GROUND
CLAMP
ANTENNA
DISCHARGE
UNIT
(NEC SECTION
810 20)
_Ru
IV/CE NT--_
(GROUNEq ? IG C 8)1NoD U1(_ TORS
__j_
GROUND
CLAMPS
POWER SERVICE
GROUNDING
ELECTRODE
SYSTEM
(NEC ART 250, PART H)
NEC - NATIONAL
ELECTRICAL
CODE
15. Foraddedprotectionforthistelevisionequipmentduringalightningstorm
orwhenitisleftunattended
and
unused
for long periods
of time, unplug it from the wall outlet and disconnect
the antenna.
This will prevent
damage
to the equipment
due to lightning
and power-line
surges.
16. An outside
antenna
system
should
not be located
in the vicinity
of overhead
power lines or other electric
light or power
circuits,
or where
it can fall into such
power
lines or circuits.
When
installing
an outside
antenna
system,
extreme
care should
be taken to keep from touching
such power lines or circuits
as contact
with them might be fatal.
17. Do not overload
wall outlets
and extension
cords as this can result
in fire or electric
shock.
18. Never push objects
of any
kind into this television
equipment
through
cabinet
slots as they 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 television
equipment.
19. Do not attempt to service
this television
equipment
yourself
as opening
or removing
covers may expose you
to dangerous
voltage
or other
hazards.
Refer all servicing
to qualified
service
personnel.
20.
Unplug
this television
equipment
from the wall outlet
and refer servicing
to qualified
service
personnel
under the following
conditions:
A.
When the power cord or plug is damaged
or frayed.
B.
If liquid has been spilled
into the television
equipment.
C.
If the television
equipment
has been exposed
to rain or water.
D.
If the television
equipment
does not operate
normally
by following
the operating
instructions.
Adjust
only those
controls
that are covered
by the operating
instructions
as improper
adjustment
of other
controls
may result
in damage
and will
often
require
extensive
work
by a qualified
technician
to
restore
the television
equipment
to normal
operation.
E.
If the television
equipment
has been dropped
or the cabinet
has been damaged.
E
When the television
equipment
exhibits
a distinct
change
in performance
-- this indicates
a need for
service.
21.
Upon
completion
of any service
or repairs
to this television
equipment
ask the service
technician
to
perform
routine safety checks
to determine
that the television
is in safe operating
condition.
22.
When
replacement
parts
are required,
be sure
the service
technician
has
used
replacement
parts
specified
by the manufacturer
that
have the same
characteristics
as the original
part.
Unauthorized
substitutions
may result
in fire, electric
shock,
or other
hazards.
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