John,

You might have seen from the other thread that I am having the same problem with the Mbar. The advice from Gaspar was that the sensor set up is like a tree, the sensors plugged into the expanded need to be accessed via the expander. As far as I can understand, that means you should find a menu item in your Mvario that steps down the hierarchy to the Xicoy sensor.

My experience with the Mbar sensor is that this doesn't work. I'm not sure how the profi box works but I am still getting telemetry info from the Xicoy sensor, it's just that the Jetibox functions don't work.

I don't have any other genuine Jeti sensors to try but will be getting one soon. Hopefully this will highlight whether it is an issue with Jeti or the Xicoy sensor.