Avtek Remote Gebrauchsanweisung Seite 8

3. Functions
4. Installation of batteries
In order to install the battery open the cell cover, insert one
AAA battery in correct direction (you must verify + and - of the
battery and install it as the instruction of the following picture).
Close the cell cover back.
Note
1. Do not insert battery into device in wrong direction.
2. Do not leave the used-up or damaged battery in the
product.
3. If you don't use the device for a long time please remove
the battery.
4. If the device does not function correctly or the operating
range is shortened please change the battery for a new
one.
8