PURPOSE: To carry out starting designation from a host computer in a short time.

CONSTITUTION: An input/output terminal device 2 which receives starting designation from a host computer 1 and so forth and is provided with a display device is connected with an infrared radiation lead lighter 3 which transmits starting designation information with infrared radiation, a handy type infrared radiation remote controller 4 receives and memorizes information from the infrared radiation lead lighter 3, and response control panels 7 which are installed at the respective products cases 6 receive the infrared radiation information which is sent by the remote controller. Besides, the received information is compared with a particular product number which is memorized in advance, and a light emitting diode 9 lights up only Men both of them meet each other.