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Navigation function

Map display, route guidance 

Turn-by-turn (TBT) 



Map display, route guidance 

  1. When the CMU receives the operation signal/detects the switch operation, it sends (1) the control signal to the audio amplifier.
  2. The CMU reads (2) the map information of the SD card inserted in the USB port/SD card slot hub. In addition, reception of the position information from the GPS antenna is initiated.
  3. The CMU sends (3) the navigation screen display signal (GMSL signal) to the center display based on the SD card map information and the position information from the GPS antenna.
  4. The center display displays (4) the navigation screen based on the received navigation screen display signal (GMSL signal).
  5. The CMU detects (5) the route to the destination set by the user and sends (5) the guidance audio signal to the audio amplifier after deciding the route.
  6. The audio amplifier sends (6) the guidance audio signal to the speakers and the speakers output (6) the guidance audio.
G13180386Courtesy of MAZDA MOTORS CORP.

Turn-by-turn (TBT) 

  1. The CMU sends (1) the travel direction display request signal to the instrument cluster.
  2. The instrument cluster displays (2) the travel direction in the active driving display based on the received travel direction display request signal.
G13180387Courtesy of MAZDA MOTORS CORP.