Maybe this sounds crazy, but is there a way to keep tempo control internal while ?

Maybe this sounds crazy, but is there a way to keep tempo control internal while ?

Maybe this sounds crazy, but is there a way to keep tempo control internal while in Relative mode on a playing deck?

I have a 1200 connected to Deck A and I want to be able to change the tempo using the internal controls, not the 1200’s pitch fader. Is there any way of doing this? I am all about workarounds, hacks, and mango ice cream. Just sayin…