Supra crane Operating Instructions Manual page 16

Cleaning
Cleaning
WARNING!
Burn hazard!
The earphone become quite warm during operation!
− Let earphone cool down completely prior to
cleaning!
NOTE!
Danger of short circuit!
Any water that has entered the housing can cause a
short circuit.
− Never immerse the earphone in water.
NOTE!
Danger from incorrect operation!
Incorrect use of the earphone can cause damage.
− Do not use any aggressive cleaners, brushes with
metal or nylon bristles or sharp or metallic cleaning
objects, such as knives, hard spatulas and similar.
These can damage the surface.
− Never place the earphone in the dishwasher. This
would destroy them.
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