Turning On/Off - NANO SIGMA User Manual

Your device uses A-13 batteries. Make sure you peel
the sticker - after you have done this, wait up to 5
minutes before inserting the battery. Positive (+ side)
faces you and the negative (- side) sits in the hole of the
compartment door. Do not insert the battery into the aid
itself, only place it into the battery compartment door.
Batteries

Turning on/off

To turn on your device, you simply need to insert the
battery. To turn off, simply open the battery door. Please,
check the following page.
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