Presonus Audio electronic Recording Interface w/ Eight Microphone Preamplifiers Version 1.0 - Manual (Page 12)

OPERATION
10 | PreSonus 2007
3) Select ‘PreSonus FireStudio’ from the ASIO
Driver dropdown list.
4) Click ‘Switch’ to begin using the FireStudio
Project Driver.
For more help on using Cubase LE 4, please read
the
Getting Started and Operation Manual help
documents located in Help > Documentation.