| 摘要 |
<p>PURPOSE:To constitute the system so that what ordinal number of segment train is turned on and turned off can be observed visually and easily. CONSTITUTION:Whether an input of an input signal and an output of an output signal exist or not is displayed by a turn-on/turn-off type in each digit of an indicator 9 allocated in advance in accordance with each input/output signal, and also, a decimal point display 13d of each digit is executed. The decimal point display 13d becomes a delimiter of each digit, and based on this decimal point display 13d of each digit, what ordinal number of digit of a segment train 13ss is turned on and turned off can be observed visually and easily.</p> |
