English Introduction Congratulations on your purchase of M-Audio’s O2. The O2 follows in the footsteps of the mobile USB MIDI controller that started it all—the Oxygen8. Small enough to fit in a bag along with your laptop, the slim¬line M-Audio O2 is perfect for throwing down bass lines, programming drum patterns, triggering effects and tweaking virtual studio parameters—anywhere, anytime. This guide provides a basic overview of how to use the O2.