Philips HearLink Series - Size 312 Battery (ITC Style Shown)

13
Size 312 battery
(ITC style shown)
What it is and does
Battery drawer
Contains the
battery and
functions as
on/o switch
Sound outlet
Sound out
Vent
Program Button
(optional)
Mute, change
volume and
program
Vent
Microphone inlet
Sound in
Volume
Control
(optional)
Change
volume