Hey, folks. I don't have a Helix yet, but am considering upgrading to at least the LT from my Firehawk.
I use the FH expression pedal to control the mix (0-100%) for the external FX loop block return. I've got (physical) distortion and delay pedals in the loop, and the expression pedal controls my level of "solo boost" (which adds level, gain, and delay). After trying probably a dozen different methods of solo boosting, this way has been a godsend for me, so I want to keep this exact functionality.
It seems that I should be able to do something similar with the Helix, using internal FX instead of having to carry around a small second pedalboard like I do now. But to do that, I'd need to create a secondary path, and have the expression pedal control the mix between that and the primary path.
I know the Helix can do just about anything, but in my reading of the manual I haven't been able to figure out how this would be done. Can it?