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DHU500 Series MPEG4-4/8/16Channel - Installation/ Operation Manual
servicing to qualified service personnel under the following conditions:
a. When the power supply cord or plug is damaged
b. If objects have fallen into the product
c. If the product has been exposed to rain or liquids
d. If the product does not operate normally by following the instruction manual.
e. If the product has been dropped or the cabinet has been damaged
f. When the product displays a distinct change in performance - this indicates a need for
service
17.
Replacement Parts
. When replacement parts are required, be sure the technician uses
replacement parts specified by the manufacturer. Unauthorized substitutions may result in
fire, electric shock, or other hazards.
18.
Safety Check
. Upon completion of any service to this product ask the service technician to
perform safety checks to determine that the product is in proper working condition.
19.
Heat
. The product should be situated away from heat such as radiators, hear registers,
stoves, or other products (including amplifiers) that produce heat.
