It also has wind volumeadjuster to change the wind of inlet from emitting into inhaling, which make sure it can deduct collectively to prevent environmental pollution.
设有风量调节器,入料口变排风为吸风,能集中除尘,防止污染。
2
The system has a "NOISE" indicator to display if the system is under interference and a newly added balance adjuster to adjust the volume of both microphones.