[arm-allstar] full duplex radioless node

[B Harvey]

Doug,

 Will this change alone allow me to issue DTMF commands (and the node
respond) when the node/network is receiving transmissions?

Brian / KK6DOQ

On Tue, Apr 9, 2019 at 9:09 AM "Doug Crompton via ARM-allstar" <
arm-allstar at hamvoip.org> wrote:

> Brian,
>
>   If you want full duplex without hearing yourself use  duplex=3 in
> rpt.conf
>
> This is very useful when using a radio-less node.
>
>
> *73 Doug*
>
> *WA3DSP*
>
> *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
>
> On Tue, Apr 9, 2019 at 11:43 AM "B Harvey via ARM-allstar" <
> arm-allstar at hamvoip.org> wrote:
>
> > All,
> >
> >        I've got my heart set on building a full duplex radioless node
> > similar to the one shown on the Hampvoip.org tutorial
> > https://hamvoip.org/hamradio/USBFOB_without_radio/
> >
> >        I recall that when I set up my last node (which used a radio
> > interface) I was asked to select whether I would be using a half duplex
> or
> > full duplex in the setup questions. If I select full duplex, it isn't
> clear
> > to me what would prevent audio feedback between the speaker and mic when
> I
> > key up. Are there additional changes other than having the mic PTT button
> > sink the COS line through the diode as shown in the schematic?
> >
> > Brian / KK6DOQ
> > _______________________________________________
> >
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> >
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> >
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