Saturday night gig.... In the middle of the ballad, the module freezes due to extensive use of sustain pedal... It's probably reached the maximum of polyphony. Totally embarrasing. It took 5 looong minutes to restart this little devil.
I used the Pianist mode, with the volume set to 0 for the Lower parts and the Chords. The Layered Piano sound was the one I used on the Upper.
I think that even if you set the volumes to 0 for some parts, the instrument's still counting them into the polyphonic structure. Or not... It's all so blurred.
I need a proper manual for this module! Getting tired of so much guessing... frown
Overall, the only major CONS is related to the O.S. It's spoiling all the fun of playing! frown
Soon I'll write down all of the bugs that I've encountered so far... Maybe someone in charge will get to hear about them.
Does anybody out there has bought a MIDJPRO yet?

Regards!
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Roland RD700 exp., Ketron Audya5, Ketron MIDJPRO, TC Helicon Harmony-M, EV N/D967, Shure Beta58A, Roland FR4X, Yamaha PSR SX900