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nüvi 680 Owner’s Manual 35
cUStoMizinG the nüvi
Locale—select your location.
Text Language—change all on-
screen text to the selected language.
Changing the text language does not
change the language of user-entered data
or map data, such as street names.
Voice Language—change the
language for voice prompts. Languages
noted with a person’s name are text-
to-speech (TTS) voices, which have an
extensive vocabulary and pronounce
the street names as you approach
turns. The pre-recorded voices (those
without a person’s name) have a limited
vocabulary and do not speak names of
locations or streets.
Time 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.
Units—change units of measure to
Kilometers or Miles.
Customizing the Display
On the Menu page, touch >
Display.
Color Mode—select Daytime for a
light background, Nighttime for a dark
background, or Auto to automatically
switch between the two.
Backlight Timeout
—touch the length of
time the backlight stays on after external
power is removed. Reducing the time the
backlight stays on increases your battery
life.
Touch Screen
—recalibrates (or realigns)
the touch screen to respond properly.
Touch Recalibrate and then follow the
directions.
Splash Screen
—select an image to be
shown when you turn on the nüvi. First,
load JPEG images. See pages 31–32.