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20. Damage Requiring Service
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.
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 for
service.
21. 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.
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 registers,
stoves, or other products (including amplifiers) that produce heat.
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