Alfa Romeo 159 Training Material page 275

ELECTRICAL
SYSTEM
Dead reckoning:
This method determines vehicle position by integrating the vehicle direction, speed and direction signals (provided by
sensors fitted aboard the vehicle). It is used to ensure positioning if no GPS signals are picked up (tunnels, covered
places, etc.).
Map matching:
This method compares the vehicle's course and the topographic characteristics of the terrain. The actual position of
the vehicle is pinpointed in this way and connected to the roads.
The navigation module receives positioning, advancement and direction change data from the on-vehicle sensors.
These data are gathered and processed by a specific algorithm which also considering the current position of the
GPS satellites calculates the estimate position of the car (car positioning).
Setup
The device is used to operate on the Connect and vehicle setup. Variations selected by the user are proposed on the
on-board panel.
The menu offers three main function groups:
Language & Date & Temperature: for selecting type, format and unit of measure of the information shown
Vehicle: for configuring the functions of same on-board devices (if the specific outfit does not include the
feature, the corresponding menu item cannot be selected)
Panel buzzer volume
Panel button volume
Door lock while travelling
Separate driver's door release
Separate boot release
Auto close
Dusk sensor sensibility
Connect: For configuring some device operating parameters:
Brightness
Contrast
Display light
Connect power-off mode
Trip
The device is used to show (and possibly configure) trip parameters. The following functions are available:
General trip (data display)
Trip B (data display)
Speed (current speed limit and alarm)
Setup (trip parameter units of measure)
Info (vehicle/personal organiser)
General trip reset
Trip B reset
Ceiling light computerised buttons
The first button simply repeats the functions of the NAV button on the front of the Connect unit. The other two are
used to access the Infomobility Targa services as shown below:
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