[Fiducial Recognition] Fiducial recognition before marking
[Key Mark Function (Prevent wrong PCBs from coming in)] An
operator registers the unique pattern(Barcode/Image) only on the PCB. When a
new PCB comes in, the machine compares the pattern of the new PCB with the
registered pattern to decide whether it is a correct board to engrave.
[Teaching Marking Position] Marking position preview(Indicator)