Are you using software such as n1mm+ to send the RTTY? If so check to verify it isn’t changing the DATA/AFSK to DATA/FSK D?
Sent from my iPhone ...nr4c. bill > On Mar 20, 2020, at 8:42 AM, Joe N9OK <[email protected]> wrote: > > I've reached out to Elecraft Tech Support on this issue. With their locale > on lockdown, I think they have their hands full just trying to maintain > some sense of normalcy. So I'm hoping someone here can point me in the > right direction. > > I've recently upgraded my K3 with numerous "last time buy" options (KAT3A > antenna tuner, 2 KSUN3A synthesizers, and KIO3B usb board). One goal was to > remove the Microkeyer II and simplifying the setup. > > What I'm finding now is that I can't make RTTY work correctly. I use MMTTY > to generate a simple warble signal, which is sent to my K3. The K3 is set > to AFSK-A, VOX enable, audio levels set correctly. What happens is that the > K3 TX LED illuminates, but nothing is heard with the Monitor (ie, thru the > K3 speaker), and there is no RF transmitted. However, when I use DATA-A, I > do hear tones using Monitor, and there is RF power. > > I get the same results using either the K3 internal sound card, or > externally-generated audio (fed from my PC soundcard to Line-In on the K3). > > Hoping there was a configuration issue, I factory reset my K3. That didn't > help. > > It's probable this issue has been there since I first purchased my K3 new 8 > years ago, but I never noticed. My MKII was used as my interface, and I was > running FSK for RTTY. I did have many configuration issues with my MKII > setup, which in retrospect might well be related to the AFSK issue that's > now obvious. > > I'm suspecting this is a hardware issue. I have the 59 pages of schematics, > and am going thru them to see if I can identify the issue so I can fix it. > I would appreciate comments / suggestions / ideas to point me in the right > direction. > > 73, Joe N9OK > > 73, Joe N9OK > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
