| 摘要 |
<p>PURPOSE:To eliminate the need of a tablet sheet and to improve the operability by incorporating a liquid crystal display device in a tablet device and displaying a tablet menu on the display device. CONSTITUTION:This device is provided with three data input parts 1-1, 1-4, and 1-7 for data input, two display menu data parts 1-2 and 1-5 where display menu data divided to respective menu levels is stored, and a data base reference part 1-9 which retrieves symbol data in a data base based on information data. Further, liquid crystal display devices 1-3 and 1-6 on which the tablet menu is displayed by display menu data are provided. Thus, the tablet sheet is unneces sary, and the size of each tablet menu can be increased since levels are added to the tablet menu and the tablet menu is divided in lower levels, and the tablet menu is made easy to see to improve the operability.</p> |
