[Elecraft] RTTY Problems on K3

[Bill Gillenwater]

Thanks for the help on this. Found the problem. All working now. My eyes don’t work like they used to. The PTT side of my home brew switching box was not working. Re-solder and all good. 

73 Bill K3SV 

Sent from my iPad

> On May 24, 2020, at 6:54 AM, Ed W0YK <ed at w0yk.com> wrote:
> 
> 
> CAT and FSK/PTT must be on separate COM ports.
> 
> 73,
> Ed W0YK
> 
> 
> -------- Original message --------
> From: Nr4c <nr4c at widomaker.com>
> Date: 5/23/20 22:33 (GMT-08:00)
> To: k3sv at pa.net
> Cc: elecraft at mailman.qth.net
> Subject: Re: [Elecraft] RTTY Problems on K3
> 
> I think you need another program to make this work. It intercepts the serial port for the FSK/PTT and makes it all work together. 
> 
> I use 2-Tone instead of myth and seem to get by with just it and n1mm. 
> 
> For interface I use my WINKEYER-USB with the latest firmware. I use a “Y” adapter in the KEY line. The second line goes to K3/Acc2 FSK pin. “Diddles” go to FSK and “Dit-Dahs” go to CW.  works well. 
> 
> Sent from my iPhone
> ...nr4c. bill
> 
> 
> > On May 24, 2020, at 1:14 AM, "k3sv at pa.net" <k3sv at pa.net> wrote:
> > 
> > I am fairly new to the K3 but have no problems setting up N1MM and other software, getting things to work properly. My problem is I cannot get RTTY to send/TX. I have made a homebrew interface with optoisolators for both the FSK line and the PTT line. I'm going from a separate serial port, pins 3 and 7, for FSK and PTT, to the Assy(15 pin) connector. To pins 1 for FSK, 4 for PTT and 5 for ground.
> > 
> > When I run MMTTY I cannot get the rig to key. If I switch to SSB or CW and use the CAT line to work the PTT, no problem. If I switch to RTTY and try to use the CAT line it will not key the TX. I've tried a variety of setting in MMTTY and get no TX. I have a 1000MP set up with a similar homebrew interface and have no issues.
> > 
> > Can anyone shed some help on me?
> > 
> > 73 Bill K3SV
> > 
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