This is great news!
For troubleshooting a specific preference/parameter, you can use the setPar command.
Click on the Run button for a list of the settable parameters :
Then, try changing the preferences one by one, as example :
... I was testing this setPar() command with a Linptech/Moes radar and I see now a strange behaviour too... The device should report back the changed parameter, but it doesn't ... 
I am after this issue now, although I already started some big changes in the code to add customJSON file processing, so the fix may may be delayed a bit.
