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Re: [softrock40] TX Mixer Testing Question

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  • Alan
    ... Subject: [softrock40] TX Mixer Testing Question ... Rick, I d say use CFGSR, it s safer. U4 is shown in the LO page. 73 Alan G4ZFQ
    Message 1 of 4 , Feb 24, 2013
      ----- Original Message -----
      Subject: [softrock40] TX Mixer Testing Question


      > In the testing section at the end of this stage of the build the manual says:
      > "Activate PTT. (As an alternative to using the SDR Software to activate PTT, you can use a cliplead to ground the top left- hand
      > lead of U4, activating PTT.)"
      >
      > If I choose to use the 2nd method of activating PTT through U4 can someone clarify which pin this refers to. I assume top left
      > means PIN 4 but uncertain.
      >

      Rick,

      I'd say use CFGSR, it's safer.
      U4 is shown in the LO page.

      73 Alan G4ZFQ
    • richard.lawn@ymail.com
      Tnx. Ill use the CFGSR. I found the previous install section covering U4 but was unclear which pin they were referring to based on board orientation. I assumed
      Message 2 of 4 , Feb 24, 2013
        Tnx. Ill use the CFGSR. I found the previous install section covering U4 but was unclear which pin they were referring to based on board orientation. I assumed pin 4.
        Rick

        --- In softrock40@yahoogroups.com, "Alan" <alan4alan@...> wrote:
        >
        >
        > ----- Original Message -----
        > Subject: [softrock40] TX Mixer Testing Question
        >
        >
        > > In the testing section at the end of this stage of the build the manual says:
        > > "Activate PTT. (As an alternative to using the SDR Software to activate PTT, you can use a cliplead to ground the top left- hand
        > > lead of U4, activating PTT.)"
        > >
        > > If I choose to use the 2nd method of activating PTT through U4 can someone clarify which pin this refers to. I assume top left
        > > means PIN 4 but uncertain.
        > >
        >
        > Rick,
        >
        > I'd say use CFGSR, it's safer.
        > U4 is shown in the LO page.
        >
        > 73 Alan G4ZFQ
        >
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