将麦克风、监听扬声器/耳机以及室内扬声器的音量调整至适当电平。
Adjust the volume of the MIC , monitor sp / phone and room sp until they are at a proper level .
要打开监听功能，苹果耳机必须开着，在手机下拉的控制中心上会出现一个耳朵的标志。
To turn on Live Listen , AirPods must be on , at which point an ear symbol will appear in the iPhone drop-down control centre .
监听耳机