Z axis Calibration- Arduino /Shield/GRBL CNC Router

Hi, could you help please…
A few years ago I built an arduino controlled CNC router.
I never got around to calibrating the Z axis.

Trying to carve a shallow V the Z stepper dived way too deep into the workpiece.

On revisiting the project I now wish to understand the GRBL way of Calibrating X Y and Z axis.
Can anyone point me in the direction of how to access the GRBL and how to set the variables necessary to have an axis move a set distance please.

Thanks in advance!

I presume you need to access these within Easel software?

You can go to Machine>General Settings>Machine Inspector to access these settings and use the console area to make changes. As shown here

Thank ypu SethCNC ! That looks great!

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