Garmin nuvi 50 Owner's Manual - Page 22

2 Disconnect the cable from your computer. Deleting Files NOTICE If you do not know the purpose of a file, do not delete it. Your device memory contains important system files that should not be deleted. 1 Open the Garmin drive or volume. 2 If necessary, open a folder or volume. 3 Select the file. 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 significant 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 18 nüvi 30/40/50 Owner's Manual