Honeywell av8or 用户手册
AV8OR User’s Guide Automotive Mode Operation
Pub. No D200803000008 Page 4-2 Revision July 2008.
© Honeywell International Inc. Do not copy without express permission of
Honeywell.
GLOSSARY
2D/3D GPS reception
The GPS receiver uses satellite signals to calculate its (your)
position and need 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 Active route is the currently navigated route. You can save and
load routes in Go Drive, but only one route can be active at any
given time. It is always active until you delete it, reach your
destination or you quit Go Drive. See also: Route.
City Center
The City Center is not the geometric center of the settlement 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 an
important intersection.
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
Go Drive works with digital maps which are not simply the
computerized versions of traditional paper maps. Similarly to the
paper road maps, the 2D mode of digital maps show you streets,
roads, and elevation is also shown 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
turn 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.
The GPS receiver uses satellite signals to calculate its (your)
position and need 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 Active route is the currently navigated route. You can save and
load routes in Go Drive, but only one route can be active at any
given time. It is always active until you delete it, reach your
destination or you quit Go Drive. See also: Route.
City Center
The City Center is not the geometric center of the settlement 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 an
important intersection.
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
Go Drive works with digital maps which are not simply the
computerized versions of traditional paper maps. Similarly to the
paper road maps, the 2D mode of digital maps show you streets,
roads, and elevation is also shown 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
turn 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.