CNC 101, always home the machine and reference so you can pick up the origin again. This is doable on the pro even without limit switches for homing. Just move the machine so it comes up against the stops at the lower left, zero, then move to where you want the origin, now note the X,Y (your offsets) and zero.
Are you sure you can’t pick it back up and use the “Run from here” feature?
You should be able to move the torch to a known point from the drawing, then edit the DRO
- Manual DRO Updating: Set current position to arbitrary value. Click on DRO value while Idle to set.
FireControl 20.4 Release Notes
Load your gcode into:
then click on the first line and use the down arrow to single step through, this will show you the X, Y coordinate. Use that to figure out a spot you can use to get back to known location on your sheet, move the torch there, then edit the dro values.
And so this doesn’t happen again have you performed this modification?