Steinberg Systems SBS-SEM-250 Manual De Instrucciones página 22

when handling the unit. You are advised to use caution and common
sense when using this product.
3. Rules of use
The unit is designed for sealing special plastic bags with various objects.
The machine is not suitable for sealing bubble bags etc.
The user is responsible for any damage resulting from misuse.
3.1.
Description
A. Power switch (see image below)