I am trying to understand some Non beginner concepts

[CullenS (Cullen Simpson)]

See this other thread. Like I said I have not tried them yet.

How do I turn bitsetter on and off properly?

In Quick Actions (available after you have initialized the machine on the ‘run’ screen) you can make a new ‘user’ action of the current xyz. There is a button for creating a new action to set the current xyz, so you do not have to remember what it is or write any of the G code