Magellan RoadMate 300 Reference Manual page 124

Selecting Destinations
Select By Airport.
Enter the first few characters for the Airport name. After you have selected the
characters, select OK. If you wish, you may enter the entire Airport name.
Use the navigation key to scroll the list up or down and select the desired Airport.
Select the POI category (if available, select the sub-category).
A list of available POIs that match your criteria is shown. Use the navigation key to
scroll the list up or down and select the desired POI.
Select the desired Route Method.
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