You'll then need to setup your I/O which you can watch in this video. Click on 'Configure Audio Devices.' on 'Start' page to select your device. Once you install the ASIO driver, Studio One should recognize the AI-1 in the audio device selection on the start page or from preferences. In this case, you'd go to downloads at: (for others reading this, you have to go to your device download page and if you don't see one, email their support to ask for where to get it) Unlike Mac OS X, Windows does not have it's own low latency class compliant (or ASIO) device driver, it's WDM driver has too high a latency even when it is selectable, you must get the ASIO driver from the download page for your interface. Studio One on Windows wants to see an ASIO device driver, without it, your device may not appear as the named device, it will instead show up a Windows Audio Device. This is important because all the videos for that product show Mac systems which uses a class-compliant OS X driver. I can see from your account that you are running a Windows OS.

Pro tools not recognizing interface