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42 nüvi 610/660/670 Owner’s Manual
cUsToMizinG The nüvi
Changing the System Settings
To change the system settings, on the Menu page, touch Settings > System.
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 www.garmin.com/aboutGPS/waas.html.
Safe Mode—turn on or off the Safe Mode feature. When your vehicle is moving, Safe
Mode disables all unit functions that require signicant 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.
Simulator—turns on or off simulator mode. When simulator mode is On you can
simulate driving a route.
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.