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Going Off the Route
If you leave the calculated route,
"Recalculating..." is displayed at the top
of the screen. The system will
recalculate the route from your current
location and direction to the desired
destination, and then give you a new
route instruction. This is done
automatically if you have set
Rerouting to AUTOMATIC on the
Set up screen (second) (see page 91).
If the Rerouting option in Set up is set
to MANUAL, "Off route" appears at the
top of the screen when you leave the
calculated route. Say "Recalculate" or
select Recalculation whenever you
want the system to perform a
recalculation.
Off-road Tracking
If you drive more than half a mile from
a mapped road, "Not on a digitized
road" appears at the bottom of the
screen.
The map screen starts displaying a
series of dots (breadcrumbs) to show the
path you have taken if Off-road
Tracking on the Set up screen
(second) is set to ON (see page 101).
Driving to Your Destination
By following the dots, you can backtrack
to the mapped road you originally left.
"Breadcrumbs" may occasionally be
displayed in urban areas, such as large
parking lots in shopping malls, or in new
subdivisions where the roads are not yet
in the database. In other cases, you may
see dots if the system temporarily goes
off route, like in a parking garage where
the GPS signal is unavailable.
These dots appear only in the 1/20, 1/8,
1/4, and 1/2 mile (or 80, 200, 400, and
800 meter) map scales. Rotate the
Interface Dial knob to change scales
if necessary.
Tracking continues for approximately
150 miles; dots at the beginning of the
trail will start disappearing when you
exceed that distance. When you reach a
mapped road, the system stops
displaying dots.
Navigation System
67
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