G 54 OFFSETS

you cannot turn off or 'get rid of' offsets, the machine MUST have them and one of the 6 offsets is always in effect.
The default is G54, the first offset. All Gcode programs must have at least a G54 at the beginning to ensure that the expected offset is selected.

If we did not have work offsets we would have to create every CAD drawing with its origin exactly where the machine home is.
This is very hard and inaccurate, and this is why offsets were invented about a day after the first CNC machine was created (-:

Homing the machine sets the Machine Coordinate System, all other coordinates are relative to the MCS.

now you mount the workpiece, jog to where the PART ZERO is (part zero is set in the CAM software), and click the setZero buttons as needed.
Alternately one can probe the part zero.

Now the Gcode is run, and all the code operates relative to the part zero.
This means that the part can be moved around on the machine (like to a different vice, or even a different machine) and the Gcode will still cut the correct size and shape.

PS: all capitals is the internet equivalent of shouting, please don't do that.

 

You quoted my old post that said

This is no longer true since CONTROL was updated to display the current settting and allow the user to select the WCS and the setZero buttons do set the currently selected offset.

The button for selecting, and it also displays the current WCS as the button label, is at top left, just above the setZero buttons and left of the 'mm/inch' tabs