A terminal comprising {HEAD ~ a PC type microcomputer}, {TAIL ~ a display screen} 25 and a keyboard 27 may furthermore be connected to the numerical control device 22 via a hard wired link, for example of the RS232 type 
A terminal comprising { HEAD ~ a PC type microcomputer } , { TAIL ~ a display screen } 25 and a keyboard 27 may furthermore be connected to the numerical control device 22 via a hard wired link , for example of the RS232 type
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH