Using NPRN to enable/disable digital input

Hi,

I'm trying to do this with MainStage, creating the control strings in Logic. I am able to send NPRN messages that the KPA recognizes (I tested a couple), but I can't seem to toggle the SPDIF input. I'm sending 99-127, 98-11, 6-0, 38-0 or 99-127, 98-11, 6-127, 38-127. I see no reaction from the KPA at all.

Thanks,
Bill

Maybe it's fixed in the new firmware version, maybe I'm going it right all of the sudden. In any case, I have 2 little MIDI files that I can send from MainStage when I want to toggle the SPDIF input. Sweet!

I think I may use this method to set up MainStage patches to tweak the KPA rig that I'm calling up with a program change (change the gain, turn stomps on/off, etc.). That way I don't have to either have a lot of versions of the same rig nor tap dance on footswitches.