| 摘要 |
<p>PROBLEM TO BE SOLVED: To decrease the number of keys which are displayed at a time and to facilitate key operation by grouping touch type keys and switching and displaying article items by groups. SOLUTION: A console panel 14 is constituted by arranging a touch panel on a liquid crystal panel; and the left side of the console panel is an area where key button images 31 of article groups are displayed and the right side is an area where key button images 32 of each article item of a specified article group are displayed. Then when the key button image of the article group is touched, the contents of key button images of article items are switched to the key button images of the article items belonging to the selected article group according to the contents set in a table. When the key button image of an article item is touched, corresponding code information is read out of the table and outputted for article registration.</p> |
