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Course Extension
A line extending from each vessel on the chart screen
used to estimate where a vessel will be in a selected
amount of time, if it maintains its current course.
To use Course Extension:
Select 1. Course Extension from the Vessels menu and press ENTER.
Select the desired duration (1, 2, 10, 30, 60 or 120 minutes) and 2.
press ENTER.
Course Extension