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低音扬声器后面板控件和连接
1) 电源模式:
切换至“Auto”(自动)位置时,低音扬声器将进入待机模式。检测到
音频信号时,扬声器将自动打开;如果约 10 分钟都检测不到音频信号,
扬声器将返回至待机模式。将此开关设置为“On”(打开),低音扬声
器将一直开启直至将电源开关设置为“Off”(关闭)。
2) 打开/待机 LED 指示灯:
LED 指示灯用于在电源开关处于“On”(打开)位置时,指示低音扬
声器是处于打开还是待机状态。
LED 指示灯呈蓝色亮起时,表示低音扬声器处于打开状态。
LED 指示灯呈红色亮起时,表示低音扬声器处于待机模式。
3) 相位开关:
此开关用于确定低音扬声器换能器的向内和向外活塞式运动是否与所使
用的主扬声器同相。如果低音扬声器工作时与主扬声器异相,主扬声器
的声波可能会部分抵消低音扬声器的声波,使低音表现和声音冲击力受
到减损。这一现象在一定程度上与所有扬声器相对于收听位置,以及房
间中各扬声器之间的布局相关。
4) 分频控件:
此控件用于控制低音扬声器重现声音时的最高频率。分频控件设置得越
高,低音扬声器运作频率也就越高,其低音与扬声器的低音“重叠”越
多。这一调整有助于提高低音扬声器和扬声器之间的低音频率转换流畅
度,使其能够适应更多不同房间和低音扬声器位置的组合。
5) Volume(音量):
此控件用于调整低音扬声器的音量。顺时针转动旋钮即提高音量;逆时
针转动则降低音量。
6) 低音扬声器(LFE 输入):
将低音扬声器连接至接收器/处理器上的专用低音扬声器 / LFE 输出。
7) 电源开关:
将此开关切换至“On”(打开)位置,便可打开低音扬声器。如果长
期不在家中或不使用低音扬声器,请将此开关切换至“Off”(关闭)位
置,以便节省能源。
8) 电源输入:
建立低音扬声器输入连接并确认无误后,请将电源线插入通电、不连开
关掣的电源插座以开启低音扬声器。
请勿将电源线插入其他音频组件的配件插座。
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