[Elecraft] OT? K3s - WSJTX - MMTTY conundrum

[Gary Smith]

Hard to enter a short subject that is 
complete...

Have a K3s using USB to the computer & the 
internal card for digital modes.

I wanted to work a few Q's in the RTTY 
contest and have been using WSJT-X for FT8 
contacts. 

In the K3s WSJTX requires Data A for FT8 
and in MMTTY it requires AFSK A (45BPS is 
normal).

I went to use MMTTY after using WSJTX and 
with an excellent scope copy of the RTTY 
signals, gibberish is on the screen. I 
tried Reverse; REV in MMTTY and tried ALT 
in the K3 and no benefit. I tried so many 
things to decode in MMTTY but nothing 
worked until some random change in a K3s 
setting worked and then perfect copy as 
usual.

I later clicked on WSJT to make a Q, the 
radio complied and switched to the 
settings for WSJT and when I went back to 
MMTTY, the copy was again gibberish. I 
don't recall what it was I did to set the 
K3s back so MMTTY can decode RTTY I did 
return it to AFSK A 45 but nothing 
decodes. 

It was a K3 setting that made the 
difference but I have no idea what it was 
I chanced on. anyone work out this issue 
yet when switching from WSJTX to MMTTY & 
the change in settings then required in 
the K3s?

Thanks & 73,

Gary
KA1J