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20. USB
Tap the icon “
” to set the USB working mode .
21. Nav Path
Tap the "
" icon and enter into the following display interface .
When you have several Navigation maps in the device, you can set up one of Navigation maps (navigation program files)
by choosing the "Navigation" icon and selecting the Auto Run Navigation , next time when tapping the “GPS” icon in the
main menu, the device will run the selected Navigation software automatically .
22. Calculator
Tap “
” icon to enter into the Calculator interface.
