No techy here Bill, but:
Contacts on those instruments wear out fast. I don't think they're made to hold up to the amount of music we play.
My 900 starting missing fills after 3 months. My 3000 had to be fixed because of the same problem.
I'm hoping for continued success with Korg.
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Live: Korg PA4X/EV Everse 8s/Senn 935/K&M stand
Studio: Korg PA4X/Yamaha DGX670/Boss BR900CD/Tascam DP24SD/MTM Iloud/Sony C80/AGK 214/K&M stand