i´m not sure if I understand everything correctly, but I´ll try an answer.
So imagine that I always want I, II and III to correspond to stomps A, B and C and IV to Delay (effects)....just for example.
Can I do that across all performances? So far I can only see how to configure this per slot in a Rig.
I´d use the LOCK function.
Next, volume control. Imagine I were to set this to -5 so that the range goes from zero (mute) to maximum. Again, how do I get this behaviour to apply to all performances?
The Master Volume is global and doesn´t change when changing the rigs. The Rig Volume is (as far as I know) not lock-able and it also wouldn´t make to much sense since most rigs differ in Volume. So balance them out manually and store it.
Finally, slightly stranger. Before getting my remote, I was just using an expression pedal to morph my rigs from zero delay mix to 36% mix....and a change in EQ, volume and gain. Now that I have the remote, but still like the morph feature, can I just set up a separate delay in another position (say C) and turn that on and off via the remote, even though the morph feature controls the delay I have set in my "Delay" in the Effects section? Currently my fave rigs are set with my rhythm sound heel down and lead sound toe down, but there are scenarios where I want to layer delay onto my rhythm sound without the other changes my morph is currently set for.
You can have Delays in 7 slots ( A,B,C,D, Mod, X, DLY) and the morph should only change the delay you "programmed"
Sorry if I missunderstood your questions and gave useless answers....