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72394Re: [softrock40] TX Mixer Testing Question

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  • Alan
    Feb 24, 2013
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      ----- 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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