Function of 'Probe' Button?

[WillAdams (William Adams (Carbide 3D))]

See:

Using the Carbide3D Touch Probe to Make a Box - CNC Project 103

which shows the v1 BitZero — for a bit on v1 and v2 see:

Using/verifying the BitZero

Here is how I check out the functionality of the machine/BitZero: first check that you have sent the correct Z-axis configuration This can be easily done by jogging down to the wasteboard surface, setting zero, then using the Rapid Position command to lift 6mm above the current zero — measure how much the machine moved — if it’s wrong: open the Log Window go to the MDI (EDIT: Note that it will need to be enabled in options in current versions) and send $$ and check that the Z-axis steps/mm …