METHOD AND APPARATUS FOR REMOTELY OPERATING MDI.

摘要

An NC apparatus (11) provided with the MDI unit and a display unit (11d) is connected to a host apparatus (12) through a telephone line (13). An operation command equivalent to the MDI key is transmitted from the host apparatus to the NC apparatus, the command is decoded and executed by the NC apparatus to display predetermined informationon a display unit (11d-2), the information is transferred to the host apparatus over the telephone line, and a computer (12a) in the host apparatus receives the information and displays it on the display unit (12c) on the host side.