Its strongly recommended to exchange the battery before each mission
When the earpiece is not used for a certain period of time, remove the
battery due to possible battery leakage
Handle the battery door with care (do not open excessively and insert
battery from side)
1.3.2 Inserting earpiece
Before insertion, check wax guard is not obstructed with earwax
that will reduce sound level.
See section 1.5 if exchanging the wax guard is necessary
7
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