| 摘要 |
PROBLEM TO BE SOLVED: To eliminate the need for complicated operation and to start prescribed operation on fixed conditions only by inserting a key. SOLUTION: When a master device MT is to collect the sales data of slave devices SV through arrangement processing, a clerk key for prescribed arrangement is inserted into the master device MT. On the condition that the clerk key for prescribed arrangement is inserted, on the side of slave device SV, the collection of data is performed only to the slave device SV where the relevant clerk key for arrangement is inserted. |
