The Xtreme camera has 5 buttons at the back of the camera and two video connections. The Intensity Shuttle connects using either the RCA Video Input connection port or the S-Video port on the back on the Shuttle to either the BNC output (composite) or S-VHS (S-Video) on the back of the Xtreme.
Start the Blackmagic Design Control Panel Software on your Computer (This should be in your Control Panel in the Hardware and Sound Tab, it will have its own menu choice at the bottom of the screen).
Select Composite or S-Video in the Set Input tab in the software
Select NTSC at 7.5 as the NTSC Setup tab in the software
Select NTSC as the Default Video Standard tab in the software
Choose Dec Link Video capture as source in your video display software (Miloslick). You should be able to see the video output form the Signature Camera in your video window.