| 摘要 |
PURPOSE:To shorten the movement time of a cursor and to improve efficiency, by moving the cursor with a single key and selecting a high or low movement speed adequately and freely. CONSTITUTION:When the cursor K on a display part 2 is moved to a left upper point (a), the left upper point A of the key 4 for cursor movement is depressed from above and then the cursor K starts moving upwardly to left at the high speed. When the key 4 is pressed upward to left in a direction B as the cursor K approaches a point (a), the cursor K moves, gradation by gradation, at the low speed until the point A accurately. |
