hvr 900

[kza]

hi
im just rtying to setuo my new hauppauge wintv hvr 900 (eu version of the 950) with snapstream

so im inthe setup process and i dont get any audio nor video...i tried all the inputs (s video and so on) but without any changes

also the next step, where i have to choose a tuner makes me feel weird....the device is simply connected by usb and i dont have any serial or ir device from hauppauge...
anyone could help me out would be fine
tx in advance