[Elecraft] MMTTY FSK

[Mike]

When I got my K3, I was hot to get it set up on FSK. Somebody here 
convinced me to try AFSK, and I was blown away by how simple it is, and 
less complicated to set up. AFAICT, FSK offers no advantage.

73, Mike NF4L

Brett Howard wrote:
> Ok so I've never done RTTY via true FSK only audio modes...  I have to
> put in a fence this weekend so I won't be able to play this weekend but
> I'm trying to get ready for FD...  
>
> So I've made an interface that consists of a couple opto couplers (one
> for FSK and one for PTT)...  I've got the radio all setup and shorting
> the FSK_IN pin to GND makes the radio switch tones as it should...
>
> However I'm having issues getting MMTTY to open the COM port.  I'm using
> an FTDI based USB->RS232 converter.  The MMTTY settings have the USB
> button right there and they tell me to click on the last 3 options.
> I've tried all 3 but in all 3 modes I get the unable to open COM3
> error...
>
> I'm going to be googling and seeing if anyone else has had this issue
> with me but I figured I'd pose here in the event someone here has
> already run into this issue.
>
> ~Brett (N7MG)
>
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