54
Astro 320 and DC40 Owner’s Manual
Customizing Your Device
◦
On Road For Distance
(requires routable maps)—
calculates on-road routes that
are shorter in distance.
◦
Prompted
—asks you to select a
routing method before the route
is calculated.
•
Follow Road Method
—allows you
to select a transportation method in
order to optimize your route.
•
Lock On Road
—locks the
position icon, which represents
your position on the map, onto the
nearest road.
•
Off Road Transitions
—available
only for some activities.
◦
Auto
—automatically routes you
to the next point.
◦
Manual
—allows you to select
the next point on the route.
◦
Distance
—routes you to the
next point on the route when
you are within a specified
distance of your current point.
•
Avoidance Setup
—(available only
for some activities) allows you to
select the road type you want to
avoid.
Marine Settings
From the main menu, select
Setup
>
Marine
.
•
Marine Chart Mode
—allows you
to select a nautical chart or a fishing
chart:
◦
Nautical
—displays various map
features in different colors so
that the marine POIs are more
readable. The nautical chart
reflects the drawing scheme of
paper charts.
Summary of Contents for Astro 320
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