[Elecraft] K3 w/KIO3B has confusing RTTY transmit behavior

[Rich]

In the Main Menu do you have:

MAIN = MIC SEL = LINE IN set ?

I think that is what fixed mine.

Rich

K3RWN

On 3/15/2020 12:42 PM, Joe N9OK wrote:
> Hi, I've recently upgraded my K3 with numerous upgrades including a KIO3B
> board. I've successfully configured most of what I need but RTTY has been a
> problem.
>
> What I see is that I am able to transmit power in RTTY mode if my K3 is set
> into *DATA A* mode. If I set my K3 to *AFSK A* mode, the radio has the
> appearance of transmitting in RTTY mode but there is no power. IE, TX
> illuminates, the ACL meter moves. But Monitor is silent and there is no RF
> power. MIC gain is set the same for both modes. VOX is set for both (not
> PTT).
>
> The problem first showed up in DXLAB WinWarbler. However, I've confirmed
> the exact same problem occurs when I am running a stand-alone MMTTY
> executable.
>
> I realize that I could use an external FSK interface. But I"m looking for a
> simple setup, and  the documentation I've seen indicates that I should be
> able to obtain output power using *AFSK A* mode.
>
> It appears to me that there is an audio routing issue in my K3. However,
> that seems unlikely, as others would have reported the issue and it would
> have been corrected. What I'm hoping is that there is a simple setup issue
> that someone can direct me towards.
>
> Any ideas would be extremely appreciated.
>
> 73, Joe N9OK
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