Yes, I was using the shift control. I reverted back to 4.17 and all is ok again.
Dale, k9vuj On 06, Nov 2010, at 8:22, Nate Bargmann wrote: > * On 2010 06 Nov 06:15 -0500, dalej wrote: >> I just loaded this beta version 4.18 and now I get loud crackling from the >> speaker when tuning though the APF filter, also, the audio goes away. I >> uploaded the firmware though the P3 twice, once power on P3 and the second >> time power off with the same results. I will next try loading the firmware >> directly into the K3. If I have the same result, I will then revert back to >> the previous version, beta 4.17, which worked fine including the power out. > > I take it you are tuning the APF with the SHIFT control? > > Ouch! I just replicated your issue on my K3! Once I tuned the APF > above 1 kHz the crackling begins. During this time the APF function > disappears and with each step on the display a loud CRACK! is heard in > the speaker. Once I tune the APF below 270 Hz the CRACK! goes away and > the APF is restored. > > At 1 kHz I hear a loud POP! and then the CRACK! occurs for each step as > the knob is advanced to the right although the displayed APF frequency > remains at 1 kHz. At 270 Hz I hear a BOOP! and APF is restored. I've > done this several times as I've typed this message. When the APF is in > the crackle mode, turning it off and then on does not change the crackle > state, in fact more crackle is heard upon reactivation. Powering off > the K3 while in "crackle" mode kills the crackle and APF resumes its > function. > > I am running MCU 4.18, DSP 2.67, and FPF 1.14 on K3 #4762. > > HTH, > > 73, de Nate >> > > -- > > "The optimist proclaims that we live in the best of all > possible worlds. The pessimist fears this is true." > > Ham radio, Linux, bikes, and more: http://n0nb.us/index.html > > > ------------------------------------ > > Yahoo! Groups Links > > <*> To visit your group on the web, go to: > http://groups.yahoo.com/group/Elecraft_K3/ > > <*> Your email settings: > Individual Email | Traditional > > <*> To change settings online go to: > http://groups.yahoo.com/group/Elecraft_K3/join > (Yahoo! ID required) > > <*> To change settings via email: > elecraft_k3-dig...@yahoogroups.com > elecraft_k3-fullfeatu...@yahoogroups.com > > <*> To unsubscribe from this group, send an email to: > elecraft_k3-unsubscr...@yahoogroups.com > > <*> Your use of Yahoo! Groups is subject to: > http://docs.yahoo.com/info/terms/ > ______________________________________________________________ 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