| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a programmable display unit capable of making a display image conspicuous by the scroll of an image. SOLUTION: A text display window 61 can be set in a programmable display unit. Also, text image data 85 larger than the text display window 61 can be made correspond to the text display window 61. A set of one line up scroll switch 71, one page up scroll switch 72, one line down scroll switch 81, and one page down scroll switch 82 is made correspond to the text image data 85. Thus, the text can be scrolled, and stopped at an arbitrary position by operating those scroll switches 71, 72, 81, and 82.</p> |
