System maintenance and user support
To recalibrate the screen:
3.Tap 
on the Main Menu panel.
4.Tap 
on the System panel.
5.Tap Calibration on the System Info screen.
6.Tap the center of the black dot as it moves around the screen.
7. Tap 
to apply the changes made.
Resetting the NAV 350
You may have to perform a reset if the device freezes (i.e., device no longer responds to the buttons on the screen). A soft reset allows your device to get a fresh start, similar to rebooting a computer. This will restart your device and adjust memory allocation. All records and entries are retained after a soft reset. GPS settings are also retained.
To perform a soft reset:
•Hold the device securely, and then press the soft reset button (1) on the bottom of the device.
1
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