[Elecraft] RTTY with K3

[Joe Subich, W4TV]

Are you trying to use the USB to serial converter as a serial port
(COM# in MMTTY's FSK & PTT Port) or are you using EXTFSK/EXTFSK64?

I know of only one manufacturer of USB to serial converter ("Edgeport")
that works at the serial rate required for standard RTTY.

What version of MMMTTY are you trying to set up?   I recommend you
download the most recent version of MMTTY (1.70K) and study the Help
file information on FSK (with EXTFSK/EXTFSK64).

73,

    ... Joe, W4TV


On 6/22/2017 5:01 PM, Tom Fitzpatrick via Elecraft wrote:
> Trying to set up RTTY on the K3. Receive working fine using MMTTY. Hooked USB from computer through USB/Serial converter and plugged through an opto-isolator adapter to the ACC plug for FSK. It doesn't key the rig and no keying is coming through. I've tried 2 different USB/Serial converters. Seems I read somewhere there's a special one (expensive) that is the only one that will work?
> 
> Tom, K4IE
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