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Astro 320 and DC40 Owner’s Manual 35
Navigation Tools
the bearing pointer points toward
the top of the compass, you are
traveling directly toward your
destination.
• The compass ring
➌
moves to
indicate North orientation.
This is most useful if you are
navigating on water or where there
are no major obstacles in your path. It
also helps you avoid hazards to either
side of the course, such as shoals or
submerged rocks.
1. From the main menu, select Setup
> Heading > Go To Line (Pointer)
Course (CDI).
➋
➍
➌➊
• The course pointer
➊
indicates your relationship to
a course line
➋
leading to the
destination.
• The course pointer provides an
indication of drift (right or left)
according to the scale
➌
.
• The scale refers to the distance
between dots on the course
deviation indicator
➍
.
• The course line to your
destination is based on your
original starting point.