Nothng better than answering own posts, but:
2016-09-09 20:02 GMT+02:00 Bruno <brunorc@...>:
Haven't tried reversing the master/slave relation yet, though I doubt it could be a solution.
It is. My XL-7 can be happily synced to my MP-7, but not the other way round. I have no idea why, as both seem to have the same OS.
Synchronically yours,
Bruno