| 摘要 |
PURPOSE:To prevent the confusion from being generated in an order management, by constituting the titled system so that a controller inhibits to transmit a menu data to an output device, when the menu data is received from a handy terminal in which the menu data is not changed. CONSTITUTION:When a change of a menu is executed, first of all, change unset information is set to all areas provided in accordance with each handy terminal A in a change state management table (a). Subsequently, when a change menu data is transmitted to the handy terminal A by a transmitting means (d), information of the corresponding area of the change state management table (a) is changed from the change unset information to change set information. If a menu data is received from the handy terminal A in which the change unset information remains in the change state management table (a), it is decided that its handy terminal A is not brought to a menu change, by checking the change state management table (a), and an output to an output device C of the menu data is inhibited. |
