Brian, There may be a potential difference (voltage) between your PC chassis and the K2. Try bonding them together (with a wire) to see if that helps. No guarantees, but it is worth a try.
73, Don W3FPR N5BCN wrote: > (K2 #6800 w/ KSB2 KIO2 KAT2 KNB2) > > Hi, > > My first post to the reflector. :-) > > I recently completed the KIO2 module (without KPA100) and have been > controlling the K2 via HRD v5.0. I'm passing the K2 audio via the K2 EXT > SPKR connection to the the PC Mic In and out to PC Speakers. All is well > EXCEPT for an annoying buzzing noise coming through the PC Speakers that is > caused by HRD polling the K2. I know this because when I change the polling > interval, the noise changes accordingly. Also, when I disconnect HRD from > the K2, the noise goes away. Even holding down a button, which pauses the > HRD/K2 polling, causes the noise to cease. Of course it starts up as soon > as I release the mouse button. > > ______________________________________________________________ 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
