Changing the scale
1. 
Select the symbol.
2. To change the scale: turn the controller.
Automatically scaled map scale
In the map view facing north, turn the controller in any direction until the AUTO scale is displayed.
The map shows the entire route between the current location and the destination.
See also:
Map view for split screen
The map view can be selected for the split
screen independently from the main screen.
1. "Options" Open.
2. "Split screen"
3. Move the controller to the right repeatedly until ...