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Setting Up MMTTY to work with my 6400M

Mark Griffin
Mark Griffin Member ✭✭✭
edited October 2022 in Third-Party Software

Good evening,

I would like to setup MMTTY to work with my 6400M.

I assume that one sets the Reception to DAX audio RX 1. The question is what do I set the Transmission to? There is a DAX audio TX. I was wondering if that was the right choice or not. Is there any flexradio documents that explain how to setup MMTTY to the Flex 6000 Series of radio's? Or, perhaps are there any video's on Youtube that would describe how to do this?

Thanks!

Mark Griffin, KB3Z

Best Answers

Answers

  • Rich M5RIC
    Rich M5RIC Member ✭✭✭

    Mike made this video recently and should cover what you need.

    https://youtu.be/QBmBlMaVJzc

  • Mark Griffin
    Mark Griffin Member ✭✭✭

    Thanks Mike!

    Mark

  • crop_consultant
    crop_consultant Member ✭
    [{"insert":"This video is great for setting up n1mm+ for rtty contesting but doesn't answer the question how to set up my 6400m to work with MMTTY.\n"}]
  • KD0RC
    KD0RC Member, Super Elmer Moderator

    Start MMTTY, go to Option(O), Setup MMTTY(O)... and select the SoundCard tab. Set it as follows:

    image.png

    This assumes that you will be using DAX channel 1.

    Now set the mode to RTTY and select DAX channel 1:

    image.png

    Finally, make sure that DAX is turned on:

    image.png

    I think that is all there is to it. I set this up a long time ago, so I may have missed a step. Please let me know how this works for you.

  • crop_consultant
    crop_consultant Member ✭
    I'm sorry but this setup did not work for me. I even added a CAT com port to enter in MMTTY but no joy. Nothing seems to key the Flex. I have a 6400M and do not generally use the SDR software because it is so buggy. Since the update to 3.3.33 the DAX audio randomly drops out if you're not paying attention. I have gone back to my Icom 7610 for RTTY since it is much more reliable. The Flex works fine with N1MM+ as a contesting rig for RTTY but for casual operating it has been a bust. If you find a PTT method that will work between MMTTY and the Flexradio I would love to hear about it! Thanks!
  • Rich M5RIC
    Rich M5RIC Member ✭✭✭

    To confirm. When you use N1MM and MMTTY for contests everything works ok, the 6400 is keyed fine but when you just use the 6400 and MMTTY without N1MM it doesn't work?

  • crop_consultant
    crop_consultant Member ✭
    Sorry, dropped the thread. But yes, works great through N1MM+. Reception great but no PTT with standalone MMTTY. The Flex is the most fun RTTY rig I've ever used.
  • crop_consultant
    crop_consultant Member ✭
    A year later. Still not able to use the FlexRadio 6400M with MMTTY unless I set it up through N1MM+ No problem with my ICOM 7610. I do get PTT action and a tone, but it is unmodulated. I guess the FlexRadio is only to be used in a contest environment on RTTY.
  • Erik Carling EI4KF
    Erik Carling EI4KF Member ✭✭✭✭

    Unmodulated tone in MMTTY? I have the 6400M and MMTTY standalone works perfectly.

    SmartSDR_fj8bbQgZds.png

    Offhand, though impossible to diagnose at a distance, but I'd say to look at your DAX setting.

  • KD0RC
    KD0RC Member, Super Elmer Moderator

    Haven't used this in quite a while… Maybe this will help:

    In MTTY, go to Option(O), Setup MTTY(O) TX tab. Click the Radio Command button:

    image.png

    Enter the comport that you created in SmartSDR CAT. Mine happens to be COM 8. Fill the rest in as I have it and I think you will get PTT and modulation.

    image.png

    Make sure that the DAX button is on in the control panel of the radio:

    image.png

    If it still doesn't work, send some screen shots of your MTTY and radio setups. Maybe we can spot something that is not set right.

    Also, I would recommend upgrading to SmartSDR V 3.7.4 if you haven't already.

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