Sounds like voltage spikes on the parallel port.
-Tim -----Original Message----- From: flexradio-boun...@flex-radio.biz [mailto:flexradio-boun...@flex-radio.biz] On Behalf Of Lowell White Sent: Tuesday, April 19, 2011 5:16 PM To: flexradio@flex-radio.biz Subject: [Flexradio] SDR-1000 makes clicking sound when not powered on but DC available This may be an easy one. My SDR-1000 clicks when not powered on but DC power is available to it. The click is not particularly loud but is enough to be annoying. Of course it stops when one power lead is lifted from the power cube but that's a little annoying to have to do. I have a switching DC PS (Samlex) that powers a "DC Power" power cube which then has Andersen Power Pole connectors feeding this SDR as well as a brand Y radio. Having the brand Y radio in or out of circuit makes no difference. BTW, I have TWO SDR-1000's and BOTH do this identical thing. Ideas? Thanks & 73, Lowell K9LDW _______________________________________________ FlexRadio Systems Mailing List FlexRadio@flex-radio.biz http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ Knowledge Base: http://kc.flexradio.com/ Homepage: http://www.flexradio.com/ _______________________________________________ FlexRadio Systems Mailing List FlexRadio@flex-radio.biz http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ Knowledge Base: http://kc.flexradio.com/ Homepage: http://www.flexradio.com/
