FeiDu FM40N true diversity wireless microphone User Manual FangOa Science Park, Ningjin County, XingTai city, HeBei province, China. 0319-5518999 +86-319-5518999 [email protected] www.fei-du.com TRANSMITTER STRUCTURE INSTRUCTION Antenna : Press the button for 3 seconds to start the device, click to set the volume and frequency. MIC/LINE IN : external Mic or audio Input IN DC 5V: …
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