RCA CC543 - Manual (Page 9)

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16. Lightning-For added protection
for this 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 product due to lightning and
power line surges.
Service
17. Servicing-Do not attempt to
service this product yourself as
opening or removing covers may
expose you to dangerous voltage or
other hazards. Refer all servicing to
qualified service personnel.
18. Conditions Requiring
Unplug this 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
product.
C. If the product has been exposed to
rain or water.
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19.
20.
21.
22.
D. If the 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 product to its normal
operation.
E. If the product has been dropped in
any way.
F. When the product exhibits a
distinct change in
this indicates a need for service.
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 product manufacturer can
prevent fire, electric shock, or other
hazards.
Safety Check-Upon completion of
any service or repairs to this product,
ask the service technician to perform
safety checks recommended by the
manufacturer to determine that the
product is in safe operating
condition.
Wall or Ceiling Mounting-The
product should be mounted to a wall
or ceiling only as recommended by
the manufacturer.
Heat-The product should be
situated away from heat sources
such as radiators, heat registers,
stoves, or other products (including
amplifiers) that produce heat.