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Re: TX Mixer Testing Question

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  • 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 1 of 4 , Feb 24, 2013
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      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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