Sony NAV-U NVD-U11E Operating Instructions Manual page 4

For NV-U92T/U83/U82/U72T/U53/U52 users:
1
Select the transfer destination of the map data.
Note
The existing map data will be replaced when you select "nav-u Internal Memory."
2
If the transfer destination is set as "Memory Stick on PC," select
the drive corresponding to the "Memory Stick."
Tip
You can add the map data to a "Memory Stick" without any change to the internal
memory of the navigation unit.
6
Selecting the maps to add/remove
1
Check the map(s) that you want to add, and uncheck any
map(s) you want to remove.
2
Click .
The confirmation display appears.
3
Click "OK."
Addition or removal of the map starts.
Note
Addition/removal time differs depending on the computer performance or map type.
(For example, it takes approximately 8 hours to transfer the map of Europe A to the
navigation unit.)
For NV-U71T users:
Due to the nature of the updated, highly-detailed map content, the entire EU map cannot
fit on the NV-U71T at one time.
7