You have to go to the slot in the performance itself, edit -> midi -> midi number (1-128) to configure the PX8 switches.
I use a MIDI loop switcher to select specific loops.
Example: sending 124 will activate loop 3, or 125 activates loops 2 and 3, etc.
I may have missed a step as I’m not near my Profiler. That should get you pointed in the right direction.
I found it !!!! what was happening was every time i hit the edit button it was editing the output section....
But, if I hit the back/return button (looks like a circle back arrow) i could see the edit function above the name of the rig (top left of the LCD). Then I could Press “Edit", “Slot Settings” > “MIDI Settings”. then I changed Midi Device A to PrgChg and then i gave it a midi message of 1 (or what ever number to switch the PX-8 to). Thanks for helping out !!!!