Well, good catch….. in MF I can’t tell that it actually does anything. I think we originally merged it in from the PF OS because I was doing specific bass work on the QWah Algorithm, but I found that it was just more useful to add BASS wah types to the TYPE knob (because they sounded great on guitar too). It appears we forgot to remove the SOURCE menu from the system menu.
I looked around for other posts and found this.
Would this be the other colleague of whom you speak?