Advanced Bionics Naida CI M90 Guía De Usuario página 43

The M Earhook, M T-Mic, or M Acoustic Earhook, battery, cable, and
headpiece must be removed from the sound processor before inserting
into the case, however the earhook pin can remain in the processor.
Carefully align the battery connector on the sound processor with the
battery connector in the M Waterproof Battery and slide the sound
processor onto the battery connector within the M Waterproof Battery,
connecting the cable connector with the M Waterproof battery to the
sound processor.
Slide the sound processor into place until the M Waterproof Battery and
headpiece cable connector are coupled.
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