Becker TRAFFIC ASSIST Z100 Crocodile - Manual (Page 29)

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NAVIGATION MODE >>>
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Navigation mode What is navigation?
The term "navigation" (lat. navigare = to
travel by sea) is generally understood to
mean the location of a vehicle, the deter-
mination of the direction and distance
from the desired destination and the de-
termination of the required route. Stars,
prominent landmarks, compass and satel-
lites etc. are used as navigation aids.
With the Traffic Assist, the location is de-
termined by the GPS receiver. The Global
Positioning System (GPS) was developed
during the 1970s by the US military as a
weapons guiding system.
GPS is based on a total of 24 satellites or-
biting the Earth and emitting signals. A
GPS receiver receives these signals and
uses the signal times to calculate the dis-
tance to an individual satellite, and then
determines your current geographical po-
sition.
Signals from at least three satellites are re-
quired to determine your position; your
height above sea level can be calculated if
signals are received from four or more sat-
ellites.
The Traffic Assist determines the direc-
tion and distance from the destination us-
ing a navigation computer and a digital
street map held in its internal memory.
For safety reasons, route guidance is given
predominantly in spoken form. This is
supported by a direction indicator and a
map display on the touch screen.
!Safety instructions
• Road traffic regulations always take
priority. The navigation system is only
an aid. Errors may occur in individual
data items/entries. At all times, the
driver must decide whether or not to
heed the information provided.
We do not accept liability for errone-
ous data provided by the navigation
system.
• When first put into use it can take up
to 30 minutes to fix the position.
• Observation of traffic signs and local
traffic regulations must always take pri-
ority.
• Traffic guidance is restricted to passen-
ger vehicles. Special driving recom-
mendations and regulations for other
vehicles (e.g. commercial vehicles) are
not included.
• Destinations may only be entered
when the vehicle is stationary.