beh, visto che la discussione langue, un pò di novità:
http://garminmontanagpsr.wikispaces.com/Firmware
5.40
e... manco a farlo apposta, risolve ben 2 problemi che avevo riscontrato:
Firmware 5.40:
•Improved pairing behavior with cadence sensors
•Fixed Latvian keyboard
•Fixed issue with reordering the list of profiles in Setup > Profiles
! •Fixed possible shutdown when viewing the Elevation Plot in landscape orientation
! •Fixed possible shutdown when selecting a route in the Route Planner application
•Fixed possible shutdown when exiting the Photo Viewer application
•Fixed possible issue with the Geocaching dashboard

vedremo che altri bug avranno invece aggiunto...