Replace disposable battery (size 312)
(MNR T only)
1. Remove
Fully open the battery
drawer and remove
the battery.
Getting started
28
About
2. Uncover
Remove the sticky label
from the + side of the
new battery.
Tip:
Wait 2 minutes so that
the battery can draw
air, to ensure optimal
functioning.
Daily use
Options
3. Insert
Insert the new battery
into the battery drawer.
Insert it from above,
NOT from the side.
Ensure that the + side of
the battery and battery
drawer align.
Tinnitus
Warnings
More info