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Important points for FM
• Do not use two transmitters on the same FM channel.
• Do not use water or fluids for cleaning FM boot.
• Do not use an FM transmitter in locations where it is forbidden to use electronic devices, for instance
in airplanes.
• Be aware that FM signals might also be picked up and overheard by other receivers.
• Before using the system in another country, contact your hearing care professional to make sure your
radio channel is permitted in that country.
• Your FM boot and transmitter may only be repaired by an authorized service center.
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Battery door lock (optional)
Your hearing instrument can be equipped with a lock to prevent children or mentally challenged persons
from accidently ingesting the battery. Ask your hearing care professional to demonstrate the locking
system on your hearing instruments.
Standard battery door lock
Your hearing care professional can install a battery door lock. Once the battery door has been locked, the
hearing instrument can be turned on and off, but the battery cannot be changed unless the battery door
is unlocked again.
To unlock the battery door:
1. With the battery door in it's off position, slide the battery
lock slider to the right by pressing from the left side of
the battery door (see illustration)
To lock the battery door:
2. Open the battery door to it's off position.
3. With the battery door in it's off position, slide the battery
lock slider to the left by pressing from the right side of the
battery door (see illustration)
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