19.Damage Requiring
ServiceCUnplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions:
a.When the
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, and
f.When the product exhibits a distinct change in performanceCthis indicates a need for service.
20.Replacement PartsCWhen 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.
21.Safety CheckCUpon completion of any service or repairs to this product, ask the service techni- cian to perform safety checks to determine that the product is in proper operating condition.
22.Wall or Ceiling MountingCThe product should be mounted to a wall or ceiling only as recom- mended by the manufacturer.
23.HeatCThe product should be situated away from heat sources such as radiators, heat registers, stoves, or other products (includ- ing amplifiers) that produce heat.
