按下喇叭开关完全不响。
首先检查保险丝看是否熔断，然后拔下喇叭插头，用万用表测量在按喇叭开关时此处是否有电。
First check the fuse to see whether the fuse, and then pull off the horn plug, using a meter measurement in the horn switch when there is electricity.
按下喇叭开关，如果喇叭有时响，有时不响，多是喇叭开关内部的触点接触不好，使用时间过长，触点间隙增大。
Press the horn switch, if the speaker sometimes ring, sometimes not ring, more than the inner contact of the switch is not good, the use of too long, the contact gap increases.
黄绿色的车厢里有三层的卧铺，空气不太流通。除了灯光开关，暖气、电扇、喇叭开关仅仅可以拨动，除此之外没有任何作用。
My pistachio green, airless compartment had three bunk beds and, apart from the light, none of the switches - heater, fan nor loudspeaker - did anything other than move.
四只脚上有开关，头上有两只Mic、两个喇叭。
调节器，继电器，喇叭，电磁开关，闪光器，传感器，电涡流缓速控制系统。
Regulators, Relays, Horns, Switch, Flashers, Sensors, Eddy current retarder control system.
MFJ-299有有高度，媒体和低的选择开关的一个高的质量压缩物喇叭筒。
MFJ-299 has a high quality compressor amplifier with high, medium, and low selection switches.
油箱浮子，保险丝盒，温控开关，水温感应器，油压开关，喇叭，传感器等等。
Fuel Tank Gauge, Fuse Box, Thermo Switch, Water Temp. sending Unit, Oil Pressure Switch, Horn, Sensor and so On.
只有当喇叭筒有一个声音的大输入水平的时候，低的开关 （10个分贝）将会刺激。
The low switch (10dB) will activate only when the microphone has a large input level of audio.
只有当喇叭筒有一个声音的大输入水平的时候，低的开关 （10个分贝）将会刺激。
The low switch (10dB) will activate only when the microphone has a large input level of audio.
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