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    Keying Delay when using Flex 6400M + HRD + WSJT-X

    Member ✭✭
    in Third-Party Software
    As recommended I have WSJT-X connect to HRD, and then HRD connects to the Flex 6400. I did this to use the HRD alert function which shows me what contacts are new to me.
    The problem is a over 1 second delay from the time I see WSJT showing Tx to the time the radio goes into transmit. This is bad on FT-8, but I've been making contacts. It's REALLY bad on FT-4 because of the shorter transmit time.
    I'm using BktTimesync for my PC clock, and that is working well. But I don't understand why I'm getting so much delay!

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    Best Answer

    • Member ✭✭✭
      Answer ✓

      OM David,

      Open CAT application and create PTT type COM port. Note its number.

      Open RADIO setup in WSJT-X and in PTT settings select this port and select RTS.

      You can also activate VOX in SSDR and select it WSJT-X RADIO setup, but I found it not very stable and responsive at times.

      I very much prefer JTDX improved version rather than WSJT-X.


      Tom

    Answers

    • Member ✭✭

      Thank You Mr. Radio - that works much better!

      73 de KF8QL

    • Member, Super Elmer Moderator

      I personally use CAT in WSJT-X for PTT instead of PTT Com port. The commands from SSDR CAT to radio are the same and one less com port to clutter the CAT panel.

      73 Dave wo2x

    • Member ✭✭

      Dave is spot on. You only need HRD for logging when using WSTJX. Create a CAT port for tcp on 60001 and then set WSJTX to use localhost:60001 for the com and enable CAT .

    • Member ✭✭

      To follow up on my post. Here are the WSJT-X settings for the radio.. In this case I use port 60000

      image.png

      and the SmartCAT config…

      image.png

      image.png

      Now WSJT-X will control your PTT and and band changes.

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