Kenwood KNA-DV2100 Instruction Manual page 34

Distance
Distance
This function automatically corrects any error in the display of the current position
that might occur after tire replacement.
Menu
1
Select
2
Select
NOTE :
You will have to drive about 6 miles (10km) before distance correction is complete.
This function enables you to check the version of the map disc and the software
you are currently using.
Menu
Select
The version of the map disc and the software you
are now using is shown.
32
(Navigation Set Up)
(Calibration).
Distance .
(Navigation Set Up)
(Map Version).
Map Version