只要轻触按钮，就能轻松读取时间：前两列显示时；第一列每盏亮灯表示五个小时，第二列每盏亮灯表示一个小时。
The time can be read easily with a touch of the button. The first two columns show hours; in column 1 each light equals 5 hours, in column 2 each light equals 1 hour.
基于CPU 224的输入输出点数有一定的局限性，此控制系统将显示灯部分只表示出了一组红绿灯指示工作与停止。
CPU 224 based on input and output points have certain limitations, the control system will show some light to show only a set of traffic lights work and stop instructions.
基于CPU 224的输入输出点数有一定的局限性，此控制系统将显示灯部分只表示出了一组红绿灯指示工作与停止。
CPU 224 based on input and output points have certain limitations, the control system will show some light to show only a set of traffic lights work and stop instructions.
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