Splendidly - Rob, thank you so much for your helpfulness. I'm purchasing your interface and this adapter soon.
Btw. Do you know now how this adapter works? Does it really switch only polarity?

Thank you Rob for your answer and willingnes to resolve this issue. I realize that FC7 is problematic, but also exceptional from other side. I'm going to use this pedal because of its unusual pretty big throw (angle of motion), whereby one can reach much better control, relative to unproblematic ped...

Hi, I am considering purchasing of MIDI Expression for cooperation with Yamaha FC7, but I've read Fc7 has not linear action directly after plug in to MIDI Expression and most other interfaces. However I'd like to reach full range of midi values, which will be controlled by this pedal directly propor...