MITSUBISHI LANCER 2010 8.G MMCS Manual
Manufacturer: MITSUBISHI, Model Year: 2010, Model line: LANCER, Model: MITSUBISHI LANCER 2010 8.GPages: 161, PDF Size: 14.22 MB
Page 11 of 161

GPS Measurement 1-8 Situations where errors occur in the current
location and direction Errors sometimes occur when the accuracy of the
GPS satellite unit is poor.
The GPS satellites are controlled by the United
States Department of Defense, so sometimes the
satellite itself intentionally sends incorrect position
data. The measurement error will increase in this
kind of situation.
Sometimes sufficient accuracy is not possible
because the distribution of the GPS satellites is poor
(when the satellites are aligned in approximately the
same direction or height). (The best accuracy for
GPS measurement is when signals are received from
multiple satellites; a satellite directly over the vehicle
and others just over the horizon to the north, south,
east and west.)
Regarding the height and directional accuracy of
GPS measurement, errors are slightly more likely in
the horizontal direction.
Electromagnetic waves from satellites higher than the
vehicle height can be received, but electromagnetic
waves cannot physically be received from satellites
positioned lower than the vehicle height (on the far
side of the Earth). This means that an adequate
height comparison is not possible.
3D MeasurementWhen valid electromagnetic waves can be received
from at least four GPS satellites, the 3D positions of
latitude, longitude and height are calculated.2D MeasurementWhen valid electromagnetic waves can only be
received from three or less GPS satellites, the height
is assumed to be unchanged from the previous
measurement and the 2D positions of latitude and
longitude are calculated. If this happens, the accuracy
of the position is less than with the 3D measurement.No MeasurementIf no valid electromagnetic waves can be received from
the GPS satellites, there is no measurement.
Page 12 of 161

Error in the Current Location 1-9
Introduction
Error in the Current LocationIn situations such as the following, the current
location may not be correctly displayed. Vehicle was moved without it being driven
(E.g., when transported on a ferry or trailer) Vehicle direction was changed without turning on the
engine
(E.g., on a turntable in a parking area) After replacing the tires or chains
When driving on roads with elevation differences,
such as mountain roads with steep inclines When driving on roads that continue for a long time
in a straight line or gentle curve
(E.g., freeways) When driving around tight hairpin corners
When meandering on wide roads When driving on Y-shaped roads When starting and stopping frequently at low speed,
such as in a traf c jam
Page 13 of 161

Error in the Current Location 1-10 When driving on snowy or unpaved roads When driving on roads parallel to others When driving on grid-shaped roads
When driving on a road that turns around in the
same direction, such as a loop-shaped bridge or
interchange When driving on roads where map data is not
available When GPS measurements could not be made for an
extended distance.
Page 14 of 161

Route Calculation 1-11
Introduction
Route Calculation
The most up-to-date road information and regulation
data possible have been used for the maps
and information used in this system. However,
subsequent road changes may cause the information
to differ from the actual conditions, and inappropriate
guidance may be given. Be sure to drive according
to the actual traf c conditions.
Not all roads are subject to the recommended route
guidance.
The calculated route is only one example of a road
that reaches the destination, which the system
calculated by taking into account road types and
traf c conditions. It is not necessarily always the best
route.
Not all ferry routes are necessarily stored in the data.
Further, even if ferry routes are prioritized they are
not necessarily used in the route.
The route selection is a comprehensive judgement
based on factors such as the road type, distance
and road width, but this does not mean that the best
route is always selected. Think of the route as only
one example of many possible routes.
The route guidance is performed for the roads
subject to the route guidance that are the nearest
to the destination or way point. For this reason,
an inappropriate route may be displayed if the set
route includes a location where many roads are
concentrated together, such as at an interchange.
Further, if the destination or way point becomes
far away from the intersections of roads subject to
the route guidance, a route may be displayed that
passes the destination or way point. Traffic lanes in both directions are separately input
for wide roads or roads with central dividers. If a
destination (way point) is set in this kind of position, a
route may be selected that passes and then returns
to the destination (way point).
The rst guidance location is the road nearest to the
starting position (vehicle).
The nal guidance location is the road nearest to the
location set as the destination.
If while driving along the route seems very indirect, it
is possible that a route has been set in the direction
opposite to the current vehicle direction.
The guidance route may result in the vehicle being on
the opposite side of a river or station from that which
is desired. If this happens, move the destination near
to the desired road.
Sometimes it will not be possible to avoid toll roads
or ferry routes, when there are no other suitable
routes.
If three recommended routes do not exist, the same
route may be repeated.
Sometimes the enlarged intersection map will not be
displayed immediately after the route calculation, or
due to other conditions.
Page 15 of 161

Gracenote
® Music Recognition Service
SM 1-12
Gracenote
® Music
Recognition Service
SM
Music recognition technology and related data are
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#6,154,773, #6,161,132, #6,230,192, #6,230,207,
#6,240,459, #6,330,593, and other patents issued or
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Open Globe, Inc. for U.S. Patent: #6,304,523.
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Page 16 of 161

Gracenote
® Music Recognition Service
SM 1-13
Introduction
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