5
Inserting the battery:
Open the battery compartment with
your fingernail pull the tab on the
battery compartment door outward
until the door swings open all the
way as shown in the illustration.
Battery insertion and removal
Handling the battery
Remove the tab on your battery
only when you are ready to use it.
Three useful tips:
• The positive (+) side of the battery is always the
smooth side. You can recognize the negative (-) side
by the colored ring.
• Always keep spare batteries with you.
• If you think you cannot change the battery by yourself,
ask someone to help you: a family member, friend or
your hearing instrument specialist.
Summary of Contents for CENTRA
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