Garmin 310 User Guide

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To change the system settings, on the Menu page, touch   

 > 

. 

WAAS/eGnoS—turning on the WAAS/EGNOS setting might improve GPS 

accuracy, but it consumes more battery power. For information about WAAS/EGNOS, 

go to 

.

Safe Mode—turn on or off the Safe Mode feature. When your vehicle is moving, Safe 

Mode disables all unit functions that require significant operator attention and could 

become a distraction while driving. 
Garmin Lock—turn on Garmin Lock

™

 to lock your nüvi. Enter a four-digit PIN and 

set a security location. Each time you turn on the nüvi, enter the four-digit PIN or 

drive to the security location. 
touch tones—disable or enable the tone that sounds each time you touch the screen.
About—display your nüvi’s software version number, unit ID number, and audio 

version number. You need this information to update the system software or purchase 

additional map data.