oticon Alta CIC Instruction Manual page 42

Here is how . . .
• Clean away any traces of wax from around the ventilation opening and sound outlet
with the brush. Hardened sediments can be removed by the wire loop in the MultiTool.
• If microphone openings are clogged by dust or dirt, this will affect the performance
of the instrument. Carefully brush away visible signs of debris from the openings while
twisting the brush.
• Clean the ventilation opening by pressing the brush through the hole while twisting
it slightly.
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