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Size 312 battery (ITC shown)
What it is and does
Push button
(optional)
Mute, change
volume and
program
Battery drawer
Contains the
battery and
functions as
on/off switch
Vent
10 About Startup Handling Options Tinnitus Warnings More info
Volume wheel Sound outlet
(optional) Sound out
Change volume
Microphone inlet Vent
Sound in
Size 13 battery (ITE HS shown)
What it is and does
Push button (optional)
Mute, change volume and
program
Microphone inlet
Sound in
Battery drawer
Vent
Contains the battery and
functions as on/off switch
Components may be positioned differently on your hearing aid.
Volume wheel
(optional)
Change volume Vent
Sound outlet
Sound out
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