Die neue Firmware Version 10.20 behebt das Problem tatsächlich (konnte ich heute ausprobieren).
Version 10.10
Fixed a possible shutdown when entering expedition mode.
Fixed a possible issue with editing a Geocache filter.
Fixed a possible issue with removing an item from the page sequence.
Fixed a possible issue with modifying the coordinates of Multi-Caches.
Fixed a possible issue with editing a Course name.
Fixed unit settings not being profile-dependent.
Version 10.20
Fixed a possible issue where POIs wouldn't appear on the map.