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Boston Boston M 250 Manual

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MSubwoofer操作
音频打开/自动/静音
将MSubwoofer的AC线插头插入墙壁电源插座。请勿使用接收机背面的插座。将
音频打开
开关设为想要的设置。
AUDIO ON（音频打开）-MSubwoofer音频始终打开。
AUTO（自动）-MSubwoofer音频会在检测到信号时打开。如果七分钟后仍未检测到信号，将自动进入静音模式。
MUTE（静音）-MSubwoofer变为静音，不会发出任何声音。如果有一段时间不使用或希望省电，可以拔出
MSubwoofer的插头。也可以关闭电源线旁边的主电源开关。
极性
开关旁的LED指示灯表示MSubwoofer的当前模式。
OFF（熄灭）-MSubwoofer的插头已被拔出或者电源开关处于“关闭”("Off")位置
RED（红色）-静音（没有检测到信号，音频关闭）
BLUE（蓝色）-音频打开（检测到信号，音频打开）
七分钟后仍未检测到系统信号，MSubwoofer会自动进入静音模式。MSubwoofer音频会在检测到信号时打开。
极性控制
（0°或180°）：MSubwoofer可选择常规(0°)或反转(180°)相位。设置此开关以提供最丰满、最富动态的低
音。通过低频打击乐器或低音部分不断重复的音乐最能听出相位效果。
分频控制
调整MSubwoofer低通滤波器的频率。注：当使用LFE输入插孔时，此控制无效。
音量控制
将MSubwoofer的
音量
控制钮转至11点钟位置。如果MSubwoofer未发出任何声音，请检查AC电源线、
音频打
开
开关、
电源
开关和输入电缆。
调整MSubwoofer的
音量
控制，直到听到主扬声器和MSubwoofer彼此相匹配为止。低音响应不可压倒房间，应进
行调整以在整个音频范围内形成自然的混响效果。
保养和维修
每年应至少一次对所有电线连接进行检查和清洁。
如果发生问题，请确保所有连接均已正确进行，并且牢固、清洁。如果某一扬声器发生问题，在系统的不同位置重
新连接扬声器。如果问题仍然存在，则扬声器有故障。如果扬声器在新位置工作正常，很明显是系统的接线或电子
装备存在问题。如果您的扬声器需要维修，请联系当地BostonAcoustics经销商或访问bostonacoustics.com
网站。
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