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6 Glossary
2D/3D GPS reception
The
GPS receiver
uses satellite signals to calculate its (your) position and needs at
least four signals to give a three-dimensional position, including
elevation
. Because the
satellites are moving and because objects can block the signals, your GPS device might
not receive four signals. If three satellites are available, the receiver can calculate the
horizontal
GPS position
but the accuracy is lower and the GPS device does not give
you
elevation
data: only 2D reception is possible.
Active route
The currently navigated
route
. Whenever the destination is set, the route is active until
you delete it, reach your
destination
or you quit Audiovox NAV 104. See also:
Route
.
City Centre
The city/town centre is not the geometric centre of the city/town but an arbitrary point
the map creators have chosen. In towns and villages, it is usually the most important
intersection; in larger cities, it is one of the important intersections.
Colour theme
Audiovox NAV 104 comes with different
colour themes
for
daytime
or
night
use of
the map and menu screens. Themes are custom graphic settings and they can have
different colours for streets, blocks or surface waters in 2D and 3D modes, and they
display shades or shadows in different ways in 3D mode.
One daytime scheme and one night scheme is always selected for the map and for the
menus. Audiovox NAV 104 uses them when it switches from day to night and back.
Содержание NAV 104
Страница 1: ...NAV 104 Bedienungsanleitung...
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Страница 123: ...NAV 104 User Manual...
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Страница 241: ...NAV 104 Manuel de l utilisateur...