X-scenery MU-2 v1.6 Transponder

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Hi All,

Anyone here with version 1.6 of the X-Scenery Mitsubishi Mu-2 mind testing the transponder? I recently bought this plane and the transponder is giving me issues and thus rendering the plane pretty useless on PE. So this is what is happening:

-Switch on the unit, put in the squawk code
-All buttons stop working and I can't put in a new code or change the mode to ALT.

Sometimes the CRSR and VFR button still works but both act as a flip switch ,taking you back to a previously entered code or to 1200. One of the buttons will sometimes take you to a previous frequency and then allow you to enter a new number using the number buttons but the transponder mode can't be changed and you cannot IDENT. The OFF button also works, but once this is pressed the transponder cannot be switched on again. I would appreciate some feedback to see if this is limited to my setup and not the software.

Thanks!
Jacques