oticon Opn Instructions For Use Manual page 43

To lock the battery
drawer
Close the battery
door completely
and make sure it is
locked.
Tool to unlock the
battery drawer
Use this small tool
provided by your
hearing care
professional.
Unlock the battery
drawer
1
2
Insert the tip of the
tool into the small
hole at the back of the
battery drawer.
1. Move it to the right
and hold it
2. Open the battery
drawer
43