jAReC v4.2 Configuration

[KA1DAX]

I've tried several times to configure jAReC v4.2 and despite it appearing to connect, I am getting no frequency display, audio or waterfall option. Com port and baud set as with everything else, input is speaker and mic from Signalink, output is reverse of input. I've successfully downloaded the (TR)uSDX config file with no issue. I got it to work once when I first installed it but nothing since. Anyone have any wisdom?