Now this is "Vintage Casio". I'm sure so many of those tech heads out there have surely "circuit bent" the hell out of this unit! The purpose of this model...? man ya got me!
http://youtube.com/watch?v=dkqJTyWCI74&mode=related&search=
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GEAR: Yamaha MOXF-6, Casio MZX-500, Roland Juno-Di, M-Audio Venom, Roland RS-70, Yamaha PSR S700, M-Audio Axiom Pro-61 (Midi Controller). SOFTWARE: Mixcraft-7, PowerTracks Pro Audio 2013, Beat Thang Virtual, Dimension Le.