User Manual Manual: DAS Studio 3 User Manual Download Resource The file you are trying to access requires you to be logged in as a registered user. Registration is free, sign up today. Username Enter your Curtiss-Wright Defense Solutions username. Password Enter the password that accompanies your username. Forgot password? Don’t have an account? Register here. DAS Studio 3 software lets you configure Data Acquisition Units (DAUs), network switches, recorders, and ground stations in an integrated environment. A multi-threaded design is used which utilizes multi-core processors to improve performance.