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Battery door lock
Your hearing care professional can install a Left/Right side indicator (Blue=Left,
Red=Right), which can be used to lock the battery door. Once locked, the
instrument can only be turned off once the instrument is unlocked.
To lock the battery door:
1. Close the battery door
2. Using the battery door locking tool, slide the color marker to the right.
To unlock the battery door: Slide the color marker to the left.
Inserting/Replacing the battery
1. Open the battery door completely by using your fingernail.
2. Remove the used battery if present. Insert the new battery with the positive side
in the correct position. The battery door has a ‘+’ indicator to help determine the correct
insertion.
3. Always use new Zinc-Air batteries that have a minimum remaining shelf-life of 1 year.
4. Gently close the battery door.
i
Tip
: When the hearing instruments are not in use for an extended period of time, remov-
ing the batteries may help prevent corrosion of the battery compartment, and ensure
that battery life is not shortened.
Unlock Lock