2011 MITSUBISHI GALANT MMCS Manual

GPS Measurement 1-6
GPS Measurement
GPSGPS is the acronym for Global Positioning
System.
The MMCS uses GPS satellites that orbit the
Earth in space at an altitude of approximately
21,000km. Electromagnetic waves from at least
three of these satellites are received on the Earth
by the system, making it possible to learn the
current position.Map MatchingWhen traveling with just the GPS, there may be
errors in the current position display. In such case,
“map matching” is the function that compensates
for this error by assuming that vehicles travel
on roads and placing the current position on a
nearby road.
GPS antenna positionThe position of the vehicle is determined from the
weak electromagnetic waves from GPS satellites
received by the GPS antenna.
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GALANT
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ENDEAVOR
NOTESince it may not be possible to accurately display
the vehicle position if the electromagnetic waves
from the GPS satellite are blocked, be sure to
obey the following:
 Do not attach reflective-type films or films
containing carbon to the window glass.
 Do not place objects on top of or close to the
GPS antenna.
 Do not use cellphones, computers, etc. near the
GPS antenna.
Situations where accurate measurement is
not possibleIn situations such as the following, accurate
measurement may not be possible.
 Inside a tunnel or indoor parking area Under a two-tier freeway

GPS Measurement 1-7
Introduction
 Area with many high-rise buildings Between closely-spaced trees The US Tracking and Control Center controls the
satellites. Sometimes the electromagnetic waves are
stopped during upgrades or repairs to the system.NOTE Do not block the electromagnetic waves, for
example by placing objects on or around the
GPS antenna.
 Avoid using a 1.5G digital mobile phone in the
vicinity of the GPS antenna, as it could prevent
accurate measurement.
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.

Error in the Current Location 1-8Error 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

Error in the Current Location 1-9
Introduction
 When starting and stopping frequently at low
speed, such as in a traf c jam 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.

Route Calculation 1-10
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.

Starting the MMCS Screen 2-1
Operation of MMCS
Operation of MMCS
Starting the MMCS Screen
Starting the MMCS (Mitsubishi Multi
Communication System).
1 Turn “ON” the ignition switch
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If no operations are performed here, the screen
displayed the previous time the system was used
is displayed after approximately 5 seconds.
NOTE Touch a language to set the system language.
 If a schedule
(2-24)

has been set and
a schedule item
corresponds to the
date, a message
is displayed on the
opening screen.
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 If maintenance information
(2-20)
has been set
and the maintenance timing currently applies
to the vehicle,
(the maintenance icon) is
displayed.
 The screen display can be cleared. Refer to
“Clearing the Screen” (2-19)
.

Interrupt Displays 2-2
Interrupt Displays
While the MMCS is operating, the display
can be interrupted with different information
according to the vehicle condition or the
settings of the various functions.Priority Display Contents
1 Door Sensor Interrupt
2 Tone Adjustment Interrupt
3 Alarm Interrupt
4 Audio Full Screen Interrupt
4 Audio Volume Partial Interrupt
4 Audio Partial Interrupt (Navi Screen)
4 Air Conditioner Full Screen Interrupt
4Air Conditioner Partial Interrupt (Navi
Screen)
5 Maintenance Message Interrupt ScreenNOTE The lower the priority number, the higher the
display priority.
 When different interrupt information is received
at the same time, the item with the higher
priority is displayed, and the item with the lower
priority is not displayed.
 If the information has the same priority, the last
item to be generated is displayed.
Door Sensor InterruptDisplayed when a door is open.
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The display goes off a short time after all doors
are closed.Tone Adjustment InterruptDisplayed when the audio tone is adjusted.
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The display goes off automatically after a short
time.NOTE Not displayed when “Audio” of “Audio and A/C
Displays” in
“Screen” (2-13)
has been set to [Off].
Alarm InterruptDisplayed when the alarm
(2-15)
is set to “ON”,
and the set time has arrived or the driving time
has been exceeded.
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Touch [Back] to turn off the screen.Audio Full Screen InterruptDisplayed when certain audio operations are
performed.
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The display goes off automatically after a short
time.NOTE Not displayed when “Audio” of “Audio and A/C
Displays” in
“Screen” (2-13)
has been set to [Off].

Interrupt Displays 2-3
Operation of MMCS
Audio Volume Partial InterruptDisplayed when the audio volume is adjusted.
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The display goes off automatically after a short
time.NOTE Not displayed when “Audio” of “Audio and A/C
Displays” in
“Screen” (2-13)
has been set to [Off].
Audio Partial Interrupt
(Navi Screen, When the Screen Goes Off)Displayed when certain audio operations are
performed.
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The display goes off automatically after a short
time.NOTE Not displayed when “Audio” of “Audio and A/C
Displays” in
“Screen” (2-13)
has been set to [Off].
Air Conditioner Full Screen InterruptDisplayed when certain air conditioner operations
are performed.
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The display goes off automatically after a short
time.NOTE Not displayed when “Air Conditioner” of “Audio
and A/C Displays” in
“Screen” (2-13)
has been
set to [Off].
Air Conditioner Partial Interrupt
(Navi Screen, When the Screen Goes Off)Displayed when certain air conditioner operations
are performed.
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The display goes off automatically after a short
time.
NOTE Not displayed when “Air Conditioner” of “Audio
and A/C Displays” in
“Screen” (2-13)
has been
set to [Off].
Maintenance Message Interrupt ScreenDisplayed when maintenance information
(2-20)
has been set and the maintenance timing
currently applies to the vehicle.
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The display goes off automatically after a short
time.Abnormality InterruptDisplayed when certain abnormalities occur in
the MMCS.
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