| 摘要 |
PROBLEM TO BE SOLVED: To provide a POS device suitable for a gas station of self-service system capable of easily and rapidly waiting on customers even by one clerk. SOLUTION: In a POS device provided with a POS body 3 connected to an oil feed terminal 1 provided on an oil feed lane where an oil feed machine 2 operable by a customer himself is installed, a portable terminal 5 carried by a clerk and a wireless device connected to the POS body 3 are provided, a timer is provided on the oil feed terminal 1, the prescribed time limit is set to the timer in each operation stage of the oil feed operation achieved by operating the oil feed terminal 1 and the oil feed machine 2 by the customer, and when the prescribed operation is not achieved in the time limit, the portable terminal 5 is called from the POS body 3 through the wireless device. |
