55
4 Reference Guide
4.1 Concepts
4.1.1 Smart Zoom
Smart Zoom provides much more than just a usual automatic zoom feature:
• While following a route: when approaching a turn, it will zoom in and raise the view
angle to let you easily recognize your maneuver at the next junction. If the next turn is at
a distance, it will zoom out and lower the view angle to be fl at so you can see the road in
front of you.
• While driving without an active route: Smart Zoom will zoom in if you drive slowly and
zoom out when you drive at high speed.
4.1.2 Route calculation and recalculation
The navigation system calculates the route based on your preferences:
• Route planning methods:
•
: Gives a quick route if you can travel at or near the speed limit on all
roads. Usually the best selection for fast and normal cars.
•
: Gives a route that has the smallest total distance of all possible routes.
It can be practical for slow vehicles.
•
: For vehicle types where Green routing is not available, this
method combines the benefi ts of Fast and Short: the navigation system
calculates as if it were calculating the Fast route, but it takes other roads as well
to save fuel.
•
: Results in a route with fewer turns and no diffi cult maneuvers. With this
option, you can make the navigation system take, for example, the highway/
freeway instead of a series of smaller roads or streets.
• Road types used or avoided in route calculation:
•
•
•
•
•
Whenever data exist, route calculation takes into account statistical traffi c data for the given
day of week and time of day (page 57).
Real-time Traffi c events are also taken into account and sometimes greatly modify the route.
The navigation system automatically recalculates the route if you deviate from the proposed
itinerary or if a newly received Traffi c event concerns a part of the recommended route.
For further information about Route settings, see page 63.
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