Cables for Kenwood TM-D710

[K0TX]

Let’s start with PTT. Please share the screenshots of your FlDigi configuration pertaining to CAT control and PTT. We’ll go over that.

Also you can confirm that the PTT hardware is working by doing this test:

Homebrew cable PTT issues

Leo, In your case as well as in any other situation where PTT by RTS is not working as expected, the first thing I recommend is testing the cables by simulating Digirig’s PTT action. There is a quick and dirty method for that: plug the audio cable on the transceiver side unplug the other end of the cable on the Digirig’s side electrically connect sleeve to the nearest ring on the Digirig’s side [image] If radio keys up then the issue is on software/Digirig side. If radio doesn’t key up then…