Hypertherm Phoenix 8.0 - Manual (Page 279)

Part Options
272
Mirror X/Mirror Y
These checkboxes make the X or Y dimensions negative. The result is a mirror image of
the current part in memory.
For keypad operation, press the Next or Enter key to toggle to the X or Y field. When the
cursor is on the field, press the Space key to enter a checkmark in the current highlighted
field.
Kerf
Press the Kerf soft key to show the kerf path in light blue. This helps you see the Kerf
path before cutting. Press the button again to turn the Kerf part graphics off.