Click Delete on the Edit NC menu to display the following Delete menu.
You can delete the current instruction by choosing Current or choose from several methods of deleting a series of instructions. When a delete command is chosen, all instructions—from the current one to the one identified by the selected command—are deleted.
Current
Deletes the current instruction only.
Start
Deletes all instructions from the first one to the current one.
Previous
Deletes the current instruction and the previous one.
Pick
Click on a part of the toolpath to delete its instruction, the current instruction and all those in between.
Next
Deletes the current and the next instruction.
End
Deletes all instructions from the current one to the last one.