How to change the interface on an Ingenico IPP320 EMV Payment Terminal

INGENICO IPP320/IPP350:

1. Once the iPP320/iPP350 loads the "splash" screen (see screenshot below), quickly press 2-6-3-4, the green enter key, followed by the "F" key.  
2. Use the "F2/F3" keys to scroll down and select "TDA". 
   
   
3. Select "configuration" and press the enter key
   
4. Select "Communication" and press the Green button.
   
5. Select "Select Comm. Type and press the Green button.
   
6. Choose the desired Communication Type from the list and press the Green button.
   
7. Press the Red "cancel" key three times. 
8. Press the "1" key (yes) at the "save and reboot" screen.
9. The iPP320/iPP350 will then reboot with your saved settings.