Mike, Great!! and thanks for sharing on the reflector. Should give Wayne and Lyle a place to start looking too.
73 Doug N3QW ----- Original Message ----- From: "K2MK" <[email protected]> To: [email protected], "Elecraft Reflector" <[email protected]> Sent: Friday, January 2, 2009 3:56:27 PM GMT -05:00 US/Canada Eastern Subject: RE: K3 Overdrive using RTTY Doug: I can confirm that changing back to the earlier revision levels and reducing the MIC level to 1 or 2 ALC bars eliminated the crackling noise on my unit. First I reloaded just the two 1.96 DSP files and that did the trick. Then I thought better of it and also reloaded the 2.67 MCU and 0.02 FPF files. Thanks for the tip Doug. This will hold me over until Lyle and Wayne fix it permanently. 73, Mike K2MK [Elecraft] K3 Overdrive using RTTY Doug Alspaugh Fri, 02 Jan 2009 06:04:00 -0800 Lyle, With the current (276/198) I am not able to adjust the sound card input for a clean signal no matter how low I set the drive. I get the clicking sound in the monitor output and if I listen on a second rig I can hear clicking by tuning just off freq. I also tried 273/198 and got the same results. However I can get a clean output using 267/196. Takes very careful adjustment. I get one solid bar and one flickering bar on the ALC meter. One more click of input from the sound card and the clicking starts. With the proper adjustment the output sonds clean on my second radio. 73 Doug N3QW
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