It also has wind volume adjuster 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。
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.
系统具有“噪音指示器”，如果在受干扰的情况下会作出显示，另具有新增设的平衡调节器以调整两个话筒不同的音量。
Adjust sound amplification volume to an optimal level by changing the equalizer adjuster (4).
调整扩音货量一个最理想的水平，改变以往均衡器调节(4)。
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