I found this problem depends on microphone. Some is OK, but some is not. But all of them works fine in another apps including PowerSDR.

JE3PRM

I am trying to use the Thetis v2.10.3.6 in the miniPC. But I have the problem in the VAC1 setting. If I set the microphone like “USB Soud Device“ to the input for VAC1, the output for VAC1 (speaker output) stops. But if I set “Soud Mapper” for the input, the speaker works. Isn’t it strange? And in ...