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User's manual NAVIGON 8410
then insert in the device. The NAVIGON 8410 can use navigation maps
from both memories.
Note: Comfort functions such as Real City 3D are not available without
the data on the supplied memory card. If you insert a different memory
card in the navigation device, make sure that it also contains these
data.
2.6
Navigation with GPS
GPS is based on a total of at least 24 satellites orbiting the Earth and
continuously transmitting signals of their position and time. The GPS
receiver receives this data and calculates its own geographical position
on the basis of the information transmitted by the various satellites.
Data from at least three satellites is required for positioning with an
acceptable degree of accuracy. With data from four or more satellites it
is possible in addition to determine the position's altitude above sea
level. Positioning is accurate to within three metres.
Once the navigation device has determined your position, this position
can be used as a starting point for calculating a route.
The map data on your navigation device includes the geographical
coordinates of all digitally recorded points of interest, streets and
places. This enables the device to calculate a route between a starting
point and a destination.
Calculation of the current position and its representation on the map
take place approximately once every second. In other words, your
current position is always shown on the map.
3
Switching on the NAVIGON 8410
Press the
►
switches on. (Approx. 2 seconds)
The S
Note: When you switch on the NAVIGON 8410 for the first time, you
will be asked to make the following settings:
your preferred language for using for the software
►
the unit of length for distances
►
the time format
►
From the S
NAVIGON 8410.
►
- 16 -
(On/Off) key and keep it pressed until the device
window opens.
TART
window you can access all applications of the
TART
Navigation, refer to page 26
Switching on the NAVIGON 8410
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