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.
LED灯颜色显示电量情况：绿色表示电量充足，红色表示电量少。
The LED color indicates the battery voltage: green for high and red for low.
LED灯颜色显示电量情况：绿色表示电量充足，红色表示电量少。
The LED color indicates the battery voltage: green for high and red for low.
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