d
b
c
f
g
e
a
16
M312 and M13 model
Option A: with classic earmold
a
Right or left indicator (right=red, left=blue), placed in
the battery compartment
b
Battery compartment with ON/OFF switch
c
Program button or volume control
d
Microphone inputs
e
Hook / sound output
f
Hearing tube
g
Classic earmold (detachable)
3. Hearing aid description
