[arm-allstar] dtmf audio level

[Don Sayler]

The tones are coming in over one of 4 repeaters, through the controller. I
did run simpleusb to set the audio level into the node. I'll try the
de-emphasis setting.

We are planning a site visit on Friday to adjust the levels on each
repeater.

On Mon, Aug 15, 2022, 5:01 PM David McGough <kb4fxc at inttek.net> wrote:

>
> Don,
>
> Where are the DTMF tones in question originating?  A radio or the external
> controller?
>
> You need to set the audio levels using simpleusb_tune_menu (SUSBTM) (admin
> option #12).  You'll see a graphical level display from SUSBTM option #2.
> The RX level should typically be between the 3KHz and 5KHz points.
>
> If your controller is outputing "flat" RX audio, make sure to turn on
> De-emphasis, menu option G.
>
>
> 73, David K4FXC
>
>
>
> On Mon, 15 Aug 2022, "Don Sayler via ARM-allstar" wrote:
>
> > Our node isn't recognizing dtmf tones. After doing a bit of
> experimenting,
> > I have figured out that the audio level is too high and distorting the
> > tones. But the voice audio level is fine. Is there a way to adjust the
> > level of the dtmf tones individually? I didn't see one, and I'm not even
> > sure how that would work. But I figured I'd ask the question...
> >
> > Thanks.
> > Don
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> >
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>
>