This might be of some help.
Hmmm just a mild annoyance so not the end of the world but I have a really hot active and a passive pretty low output bass I'm switching between to make sure I'm getting the best tone possible out of the AIRD preamps.
I'm pretty sure the input instrument level is globally set so not sure that a patch would help. Just thought it'd be nice to be able to use a knob to switch between my instrument levels rather than MENU > IN/OUT > INPUT each time etc. It'd be a real pain at a gig.