Mazda 6. Manual — part 73
T–68
AUDIO AND NAVIGATION SYSTEM
LCD UNIT
A6E812466902T02
Outline
•
The car-navigation system LCD and the information display are incorporated into one unit. Based on signals
from the car-navigation unit and remote control, the LCD displays navigational information. Based on signals
from a specialized systems (audio, DIS and A/C) module, the LCD displays information about these systems
•
The LCD unit senses the user operations from the remote control and sends a signal to the car-navigation unit.
Structure
•
An LCD unit, located in the upper-center part of the dashboard to improve visibility, has been adopted.
•
A pop-up LCD, controlled by an [OPEN/CLOSE] switch, has been adopted.
•
The angle of the display screen can be adjusted in stages using the [TILT] switch.
•
The audio, DIS and A/C information display is located on the lower portion of the unit. (See
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A6E8126T060
1
LCD unit
2
Open
3
Close
4
LCD for car-navigation system
5
Information display
AUDIO AND NAVIGATION SYSTEM
T–69
T
T
Terminal Layout and Signals
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Terminal
Signals
24-pin connector
1A
Video (B)
1B
Video (G)
1C
Video (composite sync)
1D
Video (R)
1E
Video GND
1F
–
1G
Shield GND
1H
–
1I
Monitor serial output
1J
–
1K
Monitor serial input
1L
–
1M
Control illumination
1N
–
1O
ACC
1P
GND
1Q
B+
1R
–
1S
Shield GND
1T
R-range
1U
UART2
1V
Illumination
1W
UART1
1X
–
Terminal
Signals
6-pin connector
2A
Remote-data
2B
Power
2D
Shield GND
2F
–
2G
GND
2H
Illumination
Terminal
Signal
1-pin connector
3A
GND
T–70
AUDIO AND NAVIGATION SYSTEM
REMOTE CONTROL AND CRADLE
A6E812400174T01
Outline
•
A remote control for the car-navigation system, with simplified design for easy operation, has been adopted.
•
A cradle to hold the remote control has been adopted.
Structure
•
The remote control and cradle are located on the console.
•
The buttons and joystick for controlling car-navigation are located on the top side of the remote control. The
infrared transmitter sends signals through a terminal on the front and back of the remote control.
•
An infrared sensor that receives signals from the remote control is located on the cradle. The received signals
are sent to the LCD unit.
•
The remote control uses the batteries as a power source when not in the cradle and uses the power supply
connector when set in the cradle. (Ignition switch at ACC or ON position)
Note
•
The batteries are not charged when the remote control is in the cradle.
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A6E8126T061
1
Remote control
2
Cradle
3
Front view
4
Top view
5
Underside view
6
Infrared transmitter
7
Infrared sensor
8
Power supply connector
No.
Button (component)
Function
9
[POS (Position)] button
Displays the current position.
10
Joystick
Selects items by tilting it up, down, right and left.
11
[ENTER] button
Executes a selected item.
12
[ZOOM] button
Changes the map scale.
13
[RET] button
Returns to the previous screen.
14
[MENU] button
Select a menu.
15
[VOICE] button
Initiates vocal guidance for route maneuvers.
AUDIO AND NAVIGATION SYSTEM
T–71
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NAVIGATION FUNCTION
A6E812466000T06
Outline
•
A vehicle's position is measured by a hybrid method of autonomous navigation (using yaw-rate signals from the
gyro sensor and vehicle speed signals from the DSC unit (with DSC) or ABS/TCS HU/CM (with ABS/TCS) and
GPS navigation (using signals from GPS satellites). Accurate detection of the vehicle's position is possible
based on the adoption of a map-matching function which specifies the vehicle's position as compared with the
map data read from the DVD-ROM and the vehicle’s position measured from autonomous navigation and GPS
navigation.
•
Guidance to destination is provided via display of the recommended route on the map screen, as well as voice
messaging guidance at intersections and points of divergence.
•
Based on inputted signals and information on the DVD-ROM, the following features are available:
— Destination can be selected based on address, intersection, POI (Point of Interest), history, memory or
map.
— Route information is available in map and guide mode.
— Voice guidance and menus are available in six languages.
— A map screen that displays maps in twelve steps with scales from 100m to 500km.
— A map screen that displays routes according to Shortest Route and Avoid Motorway functions.
— A detour function which provides three routes to select from based on streets selected to avoid, up to five
via points and calculation of set detour distance.
— A wide variety of preferential settings are available.
Block Diagram
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A6E8126T062
1
Car-navigation unit
2
GPS antenna
3
Signal from satellite
4
DSC unit (with DSC) or ABS/TCS HU/CM (with
ABS/TCS)
5
Vehicle speed signal
6
Detection of current measured position
7
Correction by GPS
8
Detection of vehicle travel distance
9
Detection of vehicle’s position
10
Map matching
11
Yaw-rate signal
12
Gyro sensor
13
Map data
14
DVD-ROM
15
LCD unit
16
Display
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