4
Description of your CENTRA
custom hearing system
Your hearing system is individually
manufactured according to the
shape of your ears or ear canals.
1. First Microphone
2. Second microphone TwinMic
TM
(optional)
3. Battery compartment
4. Program button (optional)
5. Volume control (optional)
6. Vent
7. Removal cord (optional)
Each hearing instrument can be
identified by the serial number
located on the outside of the
instrument. If the number is
written in red, the hearing ins-
trument is for the right ear.
If the number is written in blue,
the hearing instrument is for
the left ear.
IT
CT
CS
CIC
3
6
1
4
1
3
5
6
4
Summary of Contents for CENTRA
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