I got the two boxes from the US. The good news is that the DME works, so I have a spare DME, new list price $13k The bad news is that the fault remains, but – as before – appears only after about 20 mins, so is probably temperature dependent. It is most likely the KDI572, which I also got, but it arrived with a broken display. So I am looking for a KDI572… What is interesting is that the DME...