Thanks! I installed wsjtx and tried doing the PTT test, but since its a Digirig lite my understanding is there is no COM port for the device. (reference: 878UVII+ not transmitting with DigiRig Lite - #4 by N4EJM)
I changed to VOX but the test PTT button is greyed out. Any recommendations? I selected the audio input/output in the other panel
in the preferences.