Garmin StreetPilot 2620 Owner's Manual page 58

Reference
Customizing Route Settings
You can specify which roads or areas you would
prefer not to take when navigating a route. Go to the
Avoidance tab on the Routing Setup page. The example
above shows two parts of a road that the driver wishes
to avoid. The example below shows an entire area that
the driver wishes to avoid.
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• Avoid Area: Choose this option if you want to map out an entire rectangular area--that can
include numerous roads--to avoid. A Map page appears, enabling you to mark the fi rst corner
of your designated area to avoid. Simply move the map pointer onto the beginning section of an
area you wish to avoid and touch the check box in the top right-hand corner of the page. Once
you touch the check box, a "second corner" Map page appears. Notice that a blue thumb tack
has marked your "fi rst corner." Position your map pointer onto the ending section of an area and
touch the check box in the top right-hand corner of the page. A map of the avoided area appears,
along with a default name (usually AREA 000). You can change this name by touching it and
entering a new name by using the mini keyboard that appears.
Place the map pointer over the "fi rst corner" as
shown above. Then, touch the check box in the
top right corner.
Once you touch the check box in the top right
corner, a blue thumb tack will appear.
Move the map pointer over the
"second corner" as shown at left.
Then, touch the check box in the top
right corner.