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18 nüvi 30/40/50 Owner’s Manual
2
Disconnect the cable from your computer.
Deleting Files
If you do not know the purpose of a le, do not delete
it. Your device memory contains important system
les that should not be deleted.
1
Open the Garmin drive or volume.
2
If necessary, open a folder or volume.
3
Select the le.
4
Press the Delete key on your keyboard.
Customizing the Device
1
Select Settings.
2
Select a setting category.
3
Select the setting to change it.
System Settings
Select Settings > System.
• GPS Simulator—stops the device from receiving
a GPS signal, and saves battery power.
• Units—sets the unit of measure used for
distances.
• Keyboard Layout—sets the keyboard layout.
• Safe Mode— disables all functions that require
signicant operator attention and could become a
distraction while driving.
• About—displays the nüvi software version
number, the unit ID number, and information
about several other software features. You need