Hi Ed
Just a guess as I don't have a FTdx-1200, how are you doing PTT? Older
Yaesu transceivers required you to ground the PTT pin in the data jack to
transmit audio. IE if you are are using some other method to switch the
xceiver to Xmit, it will not work. You have to ground the PTT pin in the
data jack. And you can't get around this by using VOX to switch. Has to
be the PTT pin in the data jack.
As I said, that's the way older Yaesu rigs worked.
Good luck, FT8 is a great mode.
73,
Tom K6EU
On Thu, Jan 18, 2018 at 2:04 PM, Ed Stokes <w1...@comcast.net> wrote:
> I wonder if anyone can give me some advice on using FT8 with an FTdx1200
> connected through the data jack.
>
> I’ve been trying to sort this out but am not getting anywhere.
>
> If I plug a headset into the Mac’s audio out I hear the correct modulation
> sound coming from FT8.
>
> But when I route the audio out to the data in pin on the FTdx1200 all I
> hear on the transmitted signal is noise!
>
> This is true whether I select USB or USB data as the mode on the radio.
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