[arm-allstar] UV-82 No audio/DTMF input

Thu Jul 11 22:15:28 EDT 2019

Doug,

  That's what is making this so strange. So let me clarify this a 
little better.

  With RX boost set to 1 and audio levels set via option 2 within the 
scale I (between 3-5khz) was at around 400. CLI would not decode my 
DTMF on the screen nor could I connect to anything. So, I switched RX 
boost to 0 and in option 2 I noticed quite a drop in audio. I then 
adjusted the levels up to be in scale (between the 3khz and 5khz 
range) and at this point I was at about 580. Switching over to CLI, 
it was able to decode the DTMF on screen, however I still cant 
connect to anything nor can I get a playback by simply pressing * 7 0 
on the keypad.

  I can manually connect to nodes using Putty with the command rpt 
fun <mynodenumber> * 3 <node#toconnectto> and hear stations talking 
and their audio comming through sounds just fine.

  I've built two other nodes in the past, both 888's and never had a 
single problem. I just dont understand why the 82 is giving me such a 
hard time.

  And yes, PRE and DE are off.

  I just got back into town after your last reply and will play with 
the levels a little more.

  Thanks so much for the replies, I really aprreciate it.

  Dave

At 12:18 PM 7/9/2019, you wrote:
>Dave,
>
>  This is classic level problems. You can't just blindly turn boost off and
>on. It greatly effects the RX level. After changing rxboost you have to use
>item 2 RX level to make sure the level is correct. It should kick up to
>5Khz.  Also PRE and DE emphasis should be disabled.
>
>
>*73 Doug*
>
>*WA3DSP*
>
>*http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
>
>On Tue, Jul 9, 2019 at 1:15 PM "Dave Perkins via ARM-allstar" <
>arm-allstar at hamvoip.org> wrote:
>
> > Hi guys,
> >
> > Using USBINVERT....CTCSSFORM is off and all PL settings are correct
> > on both node radio and HT used to talk to node. Even tried a
> > different HT and same problem.
> >
> > There is a little success though. In simple_tune, I turned RX boost
> > off and now on CLI, I am able to see DTMF being entered. Before, with
> > RX boost enabled I was not even though my RX levels were in spec.
> >
> > Even though the DTMF is being decoded via CLI, I am still not able to
> > connect to any nodes or even get a read back using *70 using the DTMF
> > keypad. At least CLI is now decoding the DTMF.
> >
> > I will play around with it more when I get back in a couple of days
> > and report anything else I find.
> >
> > Any other suggestions or ideas are always much appreciated.
> >
> > Thanks
> > Dave KC6ZBE
> >
> >
> >
> >
> > At 09:44 AM 7/9/2019, you wrote:
> > >Dave,
> > >
> > >  In the simpleusb-tune-menu there is a V option. It shows the COS INPUT
> > and
> > >PTT. When selecting that you should see CLEAR for COS INPUT and COS
> > >COMPOSITE when you are not talking TO your node
> > >and KEYED when your are. When someone else is talking you should see KEYED
> > >for PTT and CLEAR otherwise.
> > >
> > >If you are seeing proper level in item 2 (RX level) you should also be
> > >seeing the KEYED in the COS INPUT and COS COMPOSITE in the V option. AS
> > was
> > >mentioned you do not use the CTCSS input. Set it to off and only use COS.
> > I
> > >believe for the UV82 it is set to USBINVERT but this depends on the mod.
> > >you made.
> > >
> > >This might also be a level issue causing DTMF to not work properly. Go
> > into
> > >the Asterisk client from the menu and key up and press each key and see if
> > >it decodes properly.  The level in item 2 should be set to 5 Khz or a
> > >little above on voice peaks.
> > >
> > >
> > >*73 Doug*
> > >
> > >*WA3DSP*
> > >
> > >*http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
> > >
> > >On Tue, Jul 9, 2019 at 2:08 AM "Dave Perkins via ARM-allstar" <
> > >arm-allstar at hamvoip.org> wrote:
> > >
> > > > Hi,
> > > >
> > > > I put together an Allstar node using an RPi3, UV-82, and an RA-40
> > > > sound fob....Did the mod to the UV82 using the Hamvoip article.
> > > >
> > > > All came together just fine. However, I am not getting any audio
> > > > input or DTMF to the UV82. Even when using the CLI client, nothing
> > > > shows. I can manually connect to a node using rpt fun <mynode> *32560
> > > > Radio will connect and I can hear stations talking just fine. I key
> > > > down to transmit and I can see the UV82 receiving my signal, but it
> > > > is not going out. When I use simple_tune on option 2 (RX level
> > > > adjust) I see normal deviation when I talk. It is currently set to
> > > > 400 and the levels are fine and within the scale between the 3-5
> > range..
> > > >
> > > > 4.7K resistors installed on RX and TX. 10K on COS as well as the FET.
> > > >
> > > > I've checked my wiring three (3) times now and can't figure out what
> > > > is going on. I saw another person on this list had the same problem
> > > > but never saw if his issue was solved.
> > > >
> > > > Thanks
> > > > Dave
> > > > KC6ZBE
> > > >
> > > > _______________________________________________
> > > >
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> > > >
> > > > Visit the BBB and RPi2/3 web page - http://hamvoip.org
> > > >
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> > >
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> > >
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> >
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> >
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> >
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> >
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