| 摘要 |
<p>PROBLEM TO BE SOLVED: To easily indicate a picture displayed on a large screen. SOLUTION: When a presenter selects the preparation of a point operation area, and indicates a position at which the point operation area should be prepared, a pointer area preparing part reduces a picture displaying means 2 and a touch panel 3 into a designated size, and prepares and displays a point operation area 7 at the designated position of the picture display means 2. The presenter points a corresponding position B at a display point on a display screen in the point operation area 7 in stead of directly pointing a display point A on the display screen 21. At the time of pointing the position B in the point operation area 7, a pointer moving part moves the display point A of a pointer 6 on the display screen 21 to the display point A, and indicates it.</p> |
