For PTT, I'm using a 9-pin serial cable from a 'real' DB-9 serial com port
on the computer to the DB-9 serial port on the Orion.
I only use the 712 for audio. I agree that you have to have AUX input
selected, and you'll have to play with gain settings to get the level you
need. In my case, I sent a string of characters on PSK-31 with fldigi, then
adjusted the AUX gain until the ALC light just flickers. Not exactly
scientific, but I do get good reports of low IMD.
Reed / WW3A
On Thu, May 15, 2014 at 6:43 AM, Rick - DJ0IP / NJ0IP <Rick@dj0ip.de> wrote:
> Ed, I find that curious.
> I haven't played with my 712 for a good year now, but as I recall, the
> audio
> in from the computer triggers the PTT circuit inside the 712, which then
> triggers pin 3 on the DIN plug. It shouldn't need the VOX to go into TX.
>
> Maybe I'm getting old and confusing things, but that's the way I remember
> it
> working.
>
> 73 - Rick, DJ0IP
> (Nr. Frankfurt am Main)
>
>
> -----Original Message-----
> From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of Edward A.
> Feustel
> Sent: Thursday, May 15, 2014 12:26 PM
> To: grant@lcrgusa.com; Discussion of Ten-Tec Equipment
> Subject: Re: [TenTec] Orion I for PSK using TT 712 adapter and Windows 7
> setup help wanted
>
> On 5/14/2014 4:23 PM, Grant Laughlin wrote:
> > I have just bought the TT 712 adapter so I can do PSK on my Orion I
> > with HRD DM 780 on a windows 7 machine.
> >
> >
> >
> > Thus far I can hear digital on the speaker and see a waterfall but I
> > cannot seem to vary the audio level for receive on the waterfall or
> > get any decent xmit out of the Orion no matter what I do.
> >
> >
> >
> > If anyone knows how to set this up I would be very pleased to hear from
> you.
> > I suspect there is a problem with the radio since I have found control
> > of the soundcard and varied it to no avail. TT is of no help either
> > and prefer to blame the computer or software. I cannot find a decent
> > setup anywhere on this.
> >
> >
> >
> > Thanks, 73 & good DX de W5XJ in Dallas
> >
> > Grant Laughlin - EM12ou
> >
> >
> Grant,
> Have you looked at other and selected Aux Input instead of Mike?
> Have you enabled VOX?
>
> I use a Ten Tec Kit that provides isolated input and output to a sound card
> on my computer.
> I found I had to adjust the Aux Input Gain substantially in order to
> trigger
> the VOX.
>
> Hope this helped.
> Ed, N5EI
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