F1 - DACOVI License.

F2 - Displays current state of the machine.

F3 - Selects cut from the list of existing cuts.

F4 - Displays graphs of cut.

F5 - Displays table of cut.

F6 - Displays list of errors reported during the cutting.

F7 - Enables to print protocol about cut accomplishment.

F8 - Sets parameters of the program.