| 摘要 |
PURPOSE:To control keywords surely and to improve safety by enabling immediate change of keyword by making transmission and reception relating to change of keyword utilizing a circuit. CONSTITUTION:Dialing is made from a POS terminal 1 to a host computer 4. On receiving an enquiry command ENQ from the host, the POS terminal 1 sends a keyword change request command to the host 4. On receiving this command, the host 4 edits data of the contents of which are recognizer/keyword before change/ keyword afrer change/date/time and transmits to the POS terminal 1. When the POS terminal 1 reveived this data, the terminal 1 transmits ACK to the host 4. The host 4 print outputs the data sent to the POS terminal 1 by a printer 5 in the stage when above-mentioned processing is completed. |
