| 摘要 |
<p>PURPOSE: To establish a centralized monitoring system which visually displays the operating condition of any part of each of a plurality of working processes. CONSTITUTION: Each working process B-N is furnished with a plurality of indicator lamps 1a-na, 1b-nb, 1c-nc of different colors for exhibiting the operating condition of the applicable process, wherein different working conditions in working are visually displayed by blinking or continuous lighting of different colors.</p> |
