lugarec,
You could also post your request on the arranger forum here at snyth zone too. There are PA-80 owners there and dealers who sell them that are actually members of this site, and they are really good sources for help... The arranger forum is dedicated to all arranger keyboards, and SO many are discussed there on a daily basis.
Squeak
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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.