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34 Astro 320 and DC40 Owner’s Manual
Navigation Tools
Navigation tools include features that
compliment the GPS functions of the
Astro.
• Compass (page 34)
• Sight ‘N Go (page 36)
• Trip computer (page 37)
• Elevation plot (page 38)
• Proximity alarms (page 39)
• Area calculation (page 39)
• Satellite (page 40)
The Astro has a 3-axis electronic
compass.
1. From the main menu, select Tools >
Compass.
2. Turn toward the direction of the
bearing pointer until the arrow
is pointing toward the top of the
compass.
➋
➌
➊
• The compass provides navigation
data
➊
such as current speed and
estimated arrival time.
• When navigating to a destination,
the bearing pointer
➋
points to
your destination, regardless of the
direction you are moving. When