These are the standard pedals from Korg - PU-2  and EC5. The EC5 get a new PCB which support USB and Midi. The PU2 is connected to the EC5 as a usual switch. It support "SUSTAIN - SOSTENUTO - SOFT“.

The EC5 foot switches are set with the following data.

E: Setlist, Program, Combi = Program UP

D: Setlist, Program, Combi = Program DOWN

C: Drum-Track start / stop toggle or Karma on / off toggle

B: Octave UP

A: Octave DOWN

individual settings possible - please contgact me for further information