| 摘要 |
PURPOSE:To make it possible even for an unskilled operator to input a data easily by providing a matrix switch in the vicinity of a picture displaying part, and displaying the part or the whole of items to be selected by the matrix switch, in a picture frame. CONSTITUTION:When a student who wants a pre-engagement inserts an ID card into a card inputting outputting part 5, a control signal is outputted to a control device 9, and the card is identified. In the case of a system ID card, a purport saying that the contents of a lesson, he wants, is to be selected from a select switch part 6, and a correspondence between the contents of the lesson and respective switches, are displayed on the displaying area 3-1 of a picture displaying part 3 and the displaying area 3-2 respectively. when the student pushes the switch of the contents of the lesson concerned, the date of the lesson, capable of being pre-engaged, is displayed on the displaying area 3-3, in correspondence with the switch, and the respective LED 8 of a key board part 2 is lit or put out when the selected contents of the lesson at the lesson time of a plate 4 is possible or impossible respectively. Thus, the student pushes a wanted button while confirming the state of the pre-engagement. The displaying part 9 displays the finish of the pre-engagement on the displaying area 3-1, and discharges the ID card from the inputting outputting part 5.
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