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Re: T3-Mini PTT_In

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  • zl1vfo
    Thanks Scott, I ll see if I can make use of it. 73 ZL1VFO
    Message 1 of 3 , Aug 6 1:17 PM
      Thanks Scott,
      I'll see if I can make use of it.
      73 ZL1VFO

      --- In tracker2@yahoogroups.com, Scott Miller <scott@...> wrote:
      >
      > The software should still make use of it, but I don't think it's
      > connected to anything on the mini.
      >
      > Scott
      >
      > On 8/4/2013 12:20 AM, zl1vfo wrote:
      > > This question might be for you, Scott...
      > >
      > > On the T3-Mini, there is a line on the MC9S08JM60 listed as PTG1/KB1
      > > shown connected to label 'PTT_IN'
      > > http://wiki.argentdata.com/images/Mini-schematic.png
      > >
      > > Is it connected to anything so it can be utilised?
      > > In other words, does it 'come out somewhere'?
      > > And does the T3 software make use of it?
      > >
      > > I'm attempting to work out the logic behind making a radio switch
      > > channels from any voice channel to an APRS channel except when someone
      > > is already talking on the radio, and possibly if they are listening to
      > > an active channel too.
      > > There's a little bit more to it than what first meets the eye, esp
      > > allowing for PLL settling (an IN-LOCK-OUT output)
      > >
      > > de Ian ZL1VFO
      > >
      > >
      >
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