Get the formatter from SDCARD.org - format the TT with the standard settings in the tool.
Connect to Home and Update until you got the 9.430 Navcore (Home calls it application).
Add the map of your choice - I assume AU 895.4438
Use FastActivate to patch the NC and activate the map.
Add personal conten like voices, cams and so on.
Make a full backup using Windows Explorer.
Bookmarks