operator attention and could become a distraction while driving.Touch Tones—disable or enable the tone that sounds each time you touch the screen.Proximity Alarms—disable or enable the alerts when you approach Custom POIs.This option is only visible if you have loaded Custom POIs. See page 51 for moreinformation about Custom POIs.About—display your nüvi’s software version number, unit ID number, and audioversion number. This information is needed when you update the system software (seepage 53) or purchase additional map data (see page 54).Restore—restore the original system settings.Changing the Time SettingsTime Format—choose a 12-hour, 24-hour, or UTC time format.Time Zone—select a time zone or nearby city from the list.Daylight Saving—set to On, Off , or Auto if it is available.Restore Settings—restore the original time settings.Changing the Display SettingsColor Mode—select Daytime for a light background, Nighttime for a blackbackground, or Auto to automatically switch between the two.Backlight Timeout—select the length of time the backlight stays on after externalNew Nuvi 310,360 OM.indd 58 2/24/2006 5:06:34 PM
