Advanced Bionics CI-5551 Instructions For Use Manual page 20

Slide the M battery onto the sound processor until it clicks
into place. The sound processor will be powered on as
soon as a charged M Battery is fully attached.
NOTE: Do not force the M Battery onto the sound processor.
The M Battery is designed to be inserted in only one
direction; applying force may damage the equipment.
Removing the M Batteries from the sound processor
Rotate headpiece cable upward in order to avoid bumping
it upon M Battery removal.
Hold the sound processor in one hand. In the other hand
hold the M Battery. Firmly slide the M Battery cartridge
towards the back of the sound processor, away from any
earhook accessory.
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