General system operation17
General operation
RADIO, CD
NAME, TEL
NAV, INFO
CAR, SETUP
Control knob
Yo u  c a n  m a k e  a  s e l e c t i o n  i n  t h e  D i s p l a y  b y  t u r n i n g  a n d  
pressing the control knob.Rotation function
– Rotate the control knob fig.9 to select a menu item in 
the Display.
– Rotate the control knob clockwise or counter-clockwise 
to move the cursor up or down.
Pressing function
– Press the control knob fig.9 to confirm the selection 
or entry.If an arrow   
page 29, fig.23 is visible in the lower or upper 
Display corner, additional menu items can be called up by 
continuing to rotate the knob 
page 29.
Control buttons
The control buttons are logically assigned to the 
corners of the screen.
Fig. 9  Navigation 
System: Control knob
A
-8	;
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)2
	$	
/,-8	;; 	%-	
)2
	-
		
.	/,		
/,	2/		
	
.
	.
8 
Navigation (NAV)147
General operation
RADIO, CD
NAME, TEL
NAV, INFO
CAR, SETUP
Changing scale with inactive side menu:
–Press the Map control button in the navigation menu.
– Rotate the control knob counterclockwise to zoom into 
the map (smaller scale, display of details), or
– Rotate the control knob clockwise, to zoom out of the 
map (larger scale, more overview). You are shown the 
scale   page 146, fig.154 in the side menu.
Changing scale with inactive side menu:
–Press the Map control button in the navigation menu.
– Press the control knob to switch to the side menu.
– Rotate the control knob to the second menu item.
– Press the control knob to activate the map menu item 
Zoom (white highlight)   page 146, fig.155.
– Rotate the control knob counterclockwise to zoom into 
the map (smaller scale, display of details), or
– Rotate the control knob clockwise, to zoom out of the 
map (larger scale, more overview). You are shown the 
scale   page 146, fig.155 in the side menu.
–Press the   button page 18, to leave the map 
side menu.The scale can be set from 50 m to 600 km.
When you change the scale with the side menu active, this change 
in scale remains only for the time the side menu is active.By pressing the   button once, you leave Zoom mode and 
you can use other map menu items. Pressing the   button 
again deactivates the active side menu.
The scales recommended for driving are:
on freeways 3.5 km
on secondary roads 750 m
in cities 200 mTips
If you have activated automatic intersection zoom 
page 159, the 
map display automatically changes the scale to intersections or 
turn points.
A1
A
A
RETURN
RETURN
RETURN