If your navigation device has a memory card slot, you can use memory cards for storing maps. This means that you can install the full map on a memory card instead of just one map zone. There needs to be enough free space on the memory card for the full map.
Mazda NB1 hidden menu gives access to diagnostic procedures which help with troubleshooting system errors. Perform various tests: LCD screen colors, tuner signal strength, individual speaker test, software version, GPS antenna, touch screen calibration, rear view camera and more. 2b1af7f3a8