M-Audio, Controller, models:

Axiom AIR 25	Service Manual
Controller MIDI USB Wireless MidAir 25/37	Manuale Dell'Utente
Keyboard Controller Series	Quick Start Manual
Keystation	Manual
Keystation 61es	User Manual
MidAir 25	Quick Start Manual
Oxygen Series	Manual
RAD-010603	Manual
Radium	Manual
iContro	User Manual