| 摘要 |
PROBLEM TO BE SOLVED: To present a detailed registration situation to a purchaser of a commodity during registration as a settlement object in a state in which other people cannot easily see it.SOLUTION: A mobile terminal device used by a purchaser of a settlement object commodity comprises a display unit, an operation unit, a communication interface, connection means, reception means, and display means. The display unit includes a screen for displaying an image. The operation unit accepts operation by an operator. The communication interface transmits and receives information to/from an external device by wire or wireless. The connection means connects with a commodity sales data processing device one-to-one via the communication interface on the basis of the operation accepted by the operation unit. The reception means receives information on the settlement object commodity transmitted every time the commodity sales data processing device connected by the connection means registers. The display means displays information at least including the price of the settlement object commodity on the display unit on the basis of the information received by the reception means every time the reception means receives.SELECTED DRAWING: Figure 1 |
