Aggiornamento software Zumo 660 & Nav IV

[Old Rabbit]

E' disponibile la versione 4.70 che sostituisce la 4.50.

Changes made from version 4.50 to 4.70:
Improved the speed of TrackBack route calculations.
Fixed an error that caused the device to freeze when importing routes from gpx files.
Fixed an error that caused a missing key on the Arabic keyboard.
Fixed an error that dropped street names with the Czech text language on the map.
BMW Nav IV only: Fixed an error that prevented the page button from working properly on the Fuel setup page.
BMW Nav IV only: Fixed an error that caused the previously active route to deactivate when the vehicle was restarted.