Garmin GPS 400 Pilot's Manual And Reference page 124

7
AUX PAGES
Flight Planning
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Flight Planning Page: Density Alt / TAS / Winds
To calculate density altitude, true airspeed, winds aloft:
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E
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• DEN ALT— Density altitude
• TAS— True airspeed
• WIND— Wind direction and speed
• HEAD/TAIL WIND—Magnitude of head wind or tail wind
If your installation includes components (such as an airdata sensor) to
provide any of the variables above, the density alt/tas/winds page data
will default to the values provided by these components.
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component
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