When you enable training mode, the terminal does not process any actual transactions and has no communication with any other device, everything occurs on the terminal.
IMPORTANT! It is possible to lock a card in training mode, as some security features are stored on the card’s chip. Be cautious if you are using an actual payment card even in training mode.
From the main screen, touch the Menu button.
Enter the merchant password and touch Confirm.
Scroll to the Help & training tools section.
Touch Training mode.
Toggle the Enable training mode switch to the right.
If you have more than one terminal, repeat steps 1 to 5 for each additional terminal where you want to enable training mode.