按键下方的几个显眼的指示灯是让用户在调节档位和模式切换的时候更直观使用。
Several prominent lights below the key is to allow the user to adjust the gear and mode switching more intuitive use.
该调节器不仅能控制交流发电机的输出电压，还能控制充电指示灯。
This regulator can not only control the output voltage of alternator, but can control charging indicator.
灵活的控制方式，可作单段速、三段调速、五段调速或无级调速调节风量并附运转/异常指示灯/异常干接点，便于监控；
Flexible control, the motor adjust air flow can be single period of speed , three or five periods of speed. It is also enclosed operation, abnormal indicator and abnormal dry contact for control.
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