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21. 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 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.
22. Replacement Parts – When replacement parts are required, be sure the service techni-
cian has used replacement parts specified by the manufacturer or have the same charac-
teristics 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
registers, stoves, or other products (including amplifiers) that produce heat.
26. Warning: Battery pack or batteries installed shall not be exposed to excessive heat such
as sunshine, fire, or the like.
IMPORTANT SAFETY INSTRUCTIONS (cont.)