5 Glossary; City Center; Map - Page 76

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5 Glossary

Active route 
The currently navigated route. Whenever a destination is set, the route is 
active until you delete it or reach your destination. See also: Route.

City Center
The city center is not the geometric center of the city but an arbitrary 
point the map creators have chosen. In cities and villages, it is usually the 
most important intersection; in larger cities, it is one of the important 
intersections. 

Color theme 
The navigation system has different color themes for daytime and nighttime 
which can be selected as desired.
One daytime scheme and one nighttime scheme is always selected for the 
map and for the menus.
The navigation system uses them when it switches from day to night and 
back.

GPS accuracy 
Several factors have impact on the deviation between your real position and 
the one given by the GPS device. For example, signal delay in the ionosphere 
or reflecting objects near the GPS device have a different and varying impact 
on how accurately the GPS device can calculate your position. 

Map 
The navigation system works with digital maps which are not simply the 
computerized versions of traditional paper maps. Similarly to paper road 
maps, the 2D mode of digital maps show you streets, roads, and elevation by 
colors.
In 3D mode, you can see the altitude differences, for example valleys and 
mountains, elevated roads, and in selected cities 3D landmarks and 3D 
buildings are also displayed. 
You can use digital maps interactively: you can zoom in and out (increase or 
decrease the scale), you can tilt them up and down, and rotate them left and 
right. In GPS-supported navigation, digital maps facilitate route planning. 

North-up map orientation
In North-up mode the map is rotated so its top always faces North. 

Road Safety Camera 
This function is not available in some countries and regions.
Special alert points for speed, red light or bus lane cameras. Different data 
sources are available. You can configure the navigation system to warn you 
when you approach one of these cameras. 
Detecting the location of Road Safety Cameras is prohibited in certain 
countries. It is the sole responsibility of the driver to check whether this 
feature can be used during the trip. 
The software is capable of showing and warning for more than just cameras. 
Various other types of proximity alert points like school zones and railway 
crossings are also available. 

Route 
A sequence of maneuvers (for example, turns and roundabouts) to reach the 
destination. The route contains one start point and one or more destinations.

Track-up map orientation 
In Track-up mode the map is rotated so its top always points in the current 
driving direction. This is the default orientation in 3D map view mode. 

Vehicle marker
The current position is indicated by a blue arrow on the map. The direction 
the blue arrow is pointed indicates the current heading.