Map display, route guidance
- When the CMU receives the operation signal/detects the switch operation, it sends (1) the control signal to the remote tuner (RT).
- 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.
- 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.
- The center display displays (4) the navigation screen based on the received navigation screen display signal (GMSL signal).
- The CMU detects (5) the route to the destination set by the user and sends (5) the guidance audio signal to the remote tuner (RT) after deciding the route.
- The remote tuner (RT) sends (6) the guidance audio signal to the speakers and the speakers output (6) the guidance audio.