Map data management, 82 map data management – Sony NAV-U NV-U84 User Manual
Map data management
You can transfer and replace the map data on the unit, using the software (e.g., to restore map
data if necessary).
Before starting, connect the unit to your computer and start the software.
Select “Map Manager.”
If the map data does not appear, select “Browse,” then specify the data location.
In the list, select the map to transfer, then
The map on the unit is replaced.