I am not sure how different the inputs etc are(PID) or weather your existing binds are even compatible see my guide for backing up an swapping out binding folders
so your existing binding folder and files are renamed and stored safely away before experimenting with the new stick
if the old binds don't work use the N.B. method so you have a default folder and default custom3.0 bind file ready for rebinding at least then you will have a good old backup to maybe do the go compare thing as you say......
keybindings can reset if you visit the control section without one of your usual devices used to play the game ie hotas , xbox pad etc not plugged in or at that present moment is undetected by windows as it thinks your just using keyboard and mouse it simply rewrites your binds for you...
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hope all goes well...…………..