
Astro and DC 40 Owner’s Manual
4
Customizing Your Device
Faster Time
—calculates routes
that are faster to drive but can
be longer in distance.
Shorter Distance
—calculates
routes that are shorter in
distance but can take more time
to drive.
Next Turn Pop-up
—enables
messages with turn information
during your route.
Follow Road Options
Off Route Recalculation
—sets
how the device recalculates if
you depart from the original
route.
Calculation Method
—sets how
quickly or accurately the device
calculates a route.
Calculate Routes for
—allows
you to select your vehicle type
or transportation type in order
to calculate the most practical
route.
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Avoid
—allows you to select
road types to avoid during your
route.
Geocache Settings
From the main menu, select
Advanced
>
Settings
>
Geocache
.
Find
or
Found
—allows you to
select a symbol for caches.
Calendar Entry When Found
—
makes an entry on the calendar
when a cache is found.
Marine Alarms
From the main menu, select
Advanced
>
Settings
>
Marine Alarms
.
Anchor Drag Alarm
—sets an
alarm to sound when you exceed a
specified drift distance.
Off Course Alarm
—sets an alarm
to sound when you are off course
by a specified distance.
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