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N1MM+ and PTT hang

Lars Pettersson
Lars Pettersson Member ✭✭
in Contesting

Despite the recomendations from Ken Wells about settings in N1MM+ and cw delay in Flex 8600 i am getting PTT hang !

Happen 3 times last night during MST contest its frustraiting

Comments

  • Mike-VA3MW
    Mike-VA3MW Administrator, FlexRadio Employee, Community Manager, Super Elmer, Moderator admin
    edited April 14

    Thanks for reaching out, and sorry to hear you're running into trouble with this setup. Let's work through it together and get things sorted out.

    To help narrow things down, could you share a bit more about your N1MM configuration? Specifically, how you have CAT (TCP/IP or RS232) and WinKeyer set up, whether you're sending CW through the N1MM keyer or via CAT commands, and what your CW and TX delay settings are set to. Any detail helps.

    Also, is WiFi in the path at all between your PC and the radio?

    One thing worth trying as a quick diagnostic: connect the radio directly to your PC with a single LAN cable using link-local addressing. This bypasses any switches or other network gear and can quickly rule out issues like a marginal cable, a flaky switch, or packet loss at the wrong moment. We have seen certain Gigabit switches behave inconsistently under load, and even occasional packet loss can cause the kind of symptoms that are tough to pin down.

    Finally, which version of SmartSDR are you running?

  • Tim K9WX
    Tim K9WX Member ✭✭✭

    Check out this thread from April 2024, reporting a similar issue:

    Sticky TX anyone? — FlexRadio Community

    Tim K9WX

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