As far as Bung products go, I'm still missing the "green label" SF6. It's extraordinarily rare and I don't even have a picture that I can find. Have seen it, but probably won't ever again; i ...
It's "common knowledge" that you can jumper a Doctor SF7 to a Professor SF2, but I have a Doctor SF6. Does the "bridge J3 on the PCB" trick also work there?