红灯闪烁，表示过负载，使用电流超过额定设定，主机保护机制开启。
Red LED flash to indicate the load exceed the current limit and the protecting function start.
电流水平、渐变时间和闪烁速率可以一次编程并在一个环路上自主执行。
The current level, fade time, and blinking rate can be programmed once and executed autonomously on a loop.
闪烁霓虹灯泡显示直接和背部电流流穗。
The blinking neon light bulbs shows the direct and the back current spike flow.
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