| 摘要 |
<p>PURPOSE:To prevent the confusion of a user in a menu display processing urging the input of a command to a user by displaying a command menu which becomes receivable at that time in correspondence with the state change of a terminal equipment and eliminating the command menu which becomes unreceivable. CONSTITUTION:Communication is attained by connecting the terminal equipment 1 and a center device 5 with a line 4 and the menu is displayed on the screen of the terminal equipment 1 to urge the user to input the command. A function judging the state of the terminal equipment 1 is provided, and the command menu which can be inputted is displayed on the screen. Then, the command menu which cannot be inputted is eliminated from the screen. Namely, the command which cannot be displayed is prevented from being displayed on the screen since the command menu corresponding to the terminal state is displayed. Thus, the confusion of the user at the time of inputting the command can be eliminated.</p> |
