Handling: General information
8Handling: General informationControl switchesConcept for handling
You can operate all the functions of the navigation system by 
pressing and rotating the control knob.Fig. 5  Navigation system: Control switches
 Forward/reverse buttons
Press the   or   button to select the previous or next radio station on the 
corresponding list.
When the radio memory list ⇒ page 38 is shown in the display, you can also 
use these buttons to select a station from the list.
Press the   button to call up the next CD or MP3 track. You can jump back to 
the previous track by pressing the   button within the first ten seconds of 
play time for the track. After 10 seconds it jumps to the start of the track.
If the   or   button is held down in CD/MP3 mode, fast forward or reverse 
is activated, respectively.
If you would like to scroll in a list of radio stations or a CD or MP3 track list 
using the  forward/reverse buttons,  it is not necessary to show the list of 
stations or track list on the navigation system display.
Fig. 6  Navigation system: 
Correspondence between 
the control buttons and 
the menus in the corners 
of the display
A1
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Navigation (NAV)*
140
– Select OK  in the active side menu ⇒ page 139, fig. 175.
– Set the direction of the location  ⇒page 139, fig. 176  by rotating 
the control knob.
– When you press the control knob, the system automatically  jumps back to the navigation setup menu.You can calculate the route from anothe r position than the present vehicle 
location.
We recommend entering the data for the starting point into a destination 
entry menu  ⇒page 104, fig. 121  before you select the  Set 
Position/Direction . That way the system will jump to the point entered on the 
map display. It is easier to set the location on the map from this point.
You can use the cursor to search for the starting point  ⇒page 129. You can 
manually enter the starting location of the vehicle, for example to calculate 
future navigation routes starting from a location other than the current loca-
tion of the vehicle. Once you have set a location on the map, you can switch 
to the destination input menu to enter the information for the desired desti-
nation. Use the demo mode to simulate a route guidance  ⇒page 139.
Note
For technical reasons, setting the start location manually and simulating 
route guidance in demo mode is only possible when the vehicle is stationary 
and there is no GPS reception  ⇒page 98 (e.g. in an underground garage).
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