C. Crane DAR-101 - Manual (Page 4)

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15. Never push liquids or objects of any kind into this recorder through
opening as they may touch dangerous voltage points or short-out
parts that could result in a fire or electric shock. Never spill liquid of
any kind on the recorder.
16. The appliance should be serviced by qualified personnel when:
A:
B:
C:
D:
E:
The mains adaptor or the plug has been damaged.
Objects have fallen or liquid had been spilled into the recorder.
The recorder has been exposed to rain or water.
The recorder does not appear to operate normally or exhibits a
marked change in performance.
The recorder has been dropped, or the enclosure damaged.