On 2/16/2012 2:46 PM, orthodoxh...@cox.net wrote: > ---- k...@baymoon.com wrote: >> sound is better, and the mic works much better. > I have played with my newly acquired CM500 using the test server on Echolink, > and heard a definite background noise - which I think was from the server. I > tried biasing the mic (with the enclosed AAA device), and heard no difference. > > When does this electret mic need to be biased? > >
Whenever it's being used. That said, if you plugged it into a PC mic in jack, the PC was biasing it... 73, Ross N4RP -- FCC Section 97.313(a) “At all times, an amateur station must use the minimum transmitter power necessary to carry out the desired communications.” ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
