[arm-allstar] DTMF decoder using radio less node

[Doug Crompton]

Chris,

 I believe the microphone has a DTMF level control. Set the simpleusb
levels to accommodate the voice audio and then adjust the DTMF level pot in
the mic.


*73 Doug*

*WA3DSP*

*http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*




On Tue, May 8, 2018 at 6:48 PM, "chris novara via arm-allstar" <
arm-allstar at hamvoip.org> wrote:

> Gents,
> I’m having a problem where I’m using one of Ed’s radio less node adapter
> boxes with an audio setting of about 700 with receive boost off. Driving
> mobile I find this is a great setting to not overdrive and cause terrible
> sounding audio.
>
> The dtmf decoder does not work at this level. If I turn on RX boost, and
> set the RX audio to ZERO then it works fine, but the mic is to sensitive.
>
> Is there any kind of separate adjustment to make the decoder work better I
> could work with?
>
> Looking for any ideas
>
> Thank you,
>
> Chris Novara, AB7BS
> Eugene Oregon
> Cell: 541-778-1175
>
>
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