ADHEAR
Audio Processor & Adhesive Adapter
Switching ADHEAR on/off
![ADHEAR turn ON ADHEAR turn ON](https://sfc01.cdn.medel.com/images/default-source/Pages/support/ADHEAR/adhear-turn-on.jpg?auto=format&sfvrsn=7be1f845_0)
Simply insert a battery and close the battery compartment to switch the audio processor on. Make sure the plus sign (+) faces upwards.
![ADHEAR switch OFF ADHEAR switch OFF](https://sfc01.cdn.medel.com/images/default-source/Pages/support/ADHEAR/adhear-switch-off.jpg?auto=format&sfvrsn=48e1f845_0)
To switch the audio processor off, open the battery compartment and/or remove the battery. Open the battery compartment whenever the audio processor is not in use to extend battery life.
![Book-Icon Book-Icon](https://sfc01.cdn.medel.com/images/default-source/Pages/support/sonnet/book-icon.png?auto=format&sfvrsn=d1115445_2)
Refer to your user manual for more information.