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D. If the product does not operate normally by
following 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 require extensive
work by a qualified technician to restore the
product to its normal operation.
E. If the product has been dropped or damaged
in any way.
F. When the product exhibits a distinct change
in performance - this indicates a need or
service.
22. Replacement Parts - When replacement parts
are required, be sure the service technician has
used replacement parts specified by the
manufacturer or have the same characteristics
as the original part. Unauthorized substitutions
may result in fire, electric shock or other
hazards.
23. 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.
24. Wall or Ceiling Mounting - The product should
be mounted to a wall or ceiling only as
recommended by the manufacturer.
25. Heat - The product should be situated away
from heat sources such as radiators, heat
resistors, or other products (including amplifiers)
that produce heat.
Important Safety Instructions