Guy, I solved the audio problem. Speakers had somehow been set to 1. Turned it back to 2. But WMTR parameter is totally missing. So I guess I will try reverting back to 4.14.
Dave ----- Original Message ----- From: "Guy Olinger K2AV" <olin...@bellsouth.net> To: "Dave Perry N4QS" <n...@comcast.net> Sent: Thursday, November 04, 2010 9:16 PM Subject: Re: [Elecraft] K3 MCU 4.17 (APF beta) kills SSB output? This is so completely wierd.... On Thu, Nov 4, 2010 at 10:07 PM, Dave Perry N4QS <n...@comcast.net> wrote: > Now I seem to have a real problem. I did a TX Gain calibration using the > K3 > Utility for both 5 and 50 watts. I worked perfectly and tx gain appeared > to > be right on all bands. I then did some testing into a dummy load with > RTTY. > I noticed that power would start out at 25 watts and it would take several > transmissions to get it up to 70 to 100 watts. So I decided to do a > wattmeter calibration. I had selected WMTR LP and was attempting to do the > 5.0 W calibration into a dummy load. But I could not get the output power > to change much and after several tries I got a high current reading. Now I > can get audio only out of the left side of headphones and when I attempt > to > reselect the WTMR parameter it is no longer there. The selection in Config > skips from VFO OFS to XVn ON. I assume I have blown something out. > However, I am considering reverting back to MCU version 4.14. Any other > suggestions? > > Thanks in advance. I would hate to see the K3 go down right before the SS > CW weekend. > > Dave, N4QS > > ----- Original Message ----- > From: "Dave Perry N4QS" <n...@comcast.net> > To: "Nate Bargmann" <n...@n0nb.us>; <elecraft@mailman.qth.net> > Sent: Thursday, November 04, 2010 7:34 PM > Subject: Re: [Elecraft] K3 MCU 4.17 (APF beta) kills SSB output? > > >>I am seeing the same reduction in SSB output power. I installed 4.17 Beta >> last night. It appears that the reduced power only occurs when I have APF >> activated. I have twice restored SSB power by doing the following: 1). >> Changing mode back to CW, 2). Going to Dual PB in Config menu and turning >> APF off, 3). exiting Config menu, 4). changing mode back to SSB. Power is >> restored back to a full 100 watts. With APF set to on, SSB power is >> reduced >> to about 70 watts. I confirmed this on 17M by repeating the process >> twice, >> and I then tried 20 M SSB and the power was back to 70 watts (after I had >> turned APF back on.) Is this a problem with the beta release? I saw >> Wayne's suggestion to do a TX gain calibration, but it seems strange that >> I >> would only need to do this after installing Beta 4.17. >> >> APF works great, but I need to resolve this SSB power issue. I may try >> RTTY >> next to see what happens in that mode. >> >> Dave, N4QS >> >> >> ----- Original Message ----- >> From: "Nate Bargmann" <n...@n0nb.us> >> To: <elecraft@mailman.qth.net> >> Sent: Thursday, November 04, 2010 6:30 PM >> Subject: Re: [Elecraft] K3 MCU 4.17 (APF beta) kills SSB output? >> >> >>>* On 2010 04 Nov 18:23 -0500, Dave, W8OV wrote: >>>> I had no loss of SSB power output after the 4.17 Beta install. The APF >>>> works wonderfully, with only a hint of ringing to my ears. Really nice >>>> addition to the K3. >>> >>> At least some of you aren't seeing this. :-) >>> >>> James Rogers suggested turning the Mic gain to 0 and then back up and he >>> was getting good output. After I did that, I could only get about 25 >>> Watts peak on both meters. I switched to CW mode, transmitted a short >>> carrier which showed 100 Watts on both meters (power control set to >>> 100). Switching back to SSB both meters showed about 70 Watts. I have >>> since bumped TXG VCE up to the max, 3.0 dB and am getting about 90 Watts >>> peak on each meter (I say fourrrrr in a normal voice to get the K3's >>> meter to stabilize for a bit). I had previously had TXG VCE set to 1.0 >>> dB. >>> >>> I'm not sure that rolling back to the last stable firmware would solve >>> this or be fraught with other issues. Generally, roll-backs don't work >>> all that well in other devices. >>> >>> 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 >>> ______________________________________________________________ >>> 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 >>> >> >> ______________________________________________________________ >> 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 >> > > ______________________________________________________________ > 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 > ______________________________________________________________ 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
