Key And Knob Functions - Garmin GNS 530 Pilot's Manual & Reference

Bottom Row Keys
The CDI key is used to toggle the navigation source (GPS or VLOC) which provides output
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to an external HSI or CDI.
The OBS key is used to select manual or automatic sequencing of waypoints. Pressing this
key selects OBS mode, which retains the current "active to" waypoint as your navigation
reference even after passing the waypoint (i.e., prevents sequencing to the next waypoint).
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Pressing the OBS key again returns to normal op eration, with automatic sequencing of
waypoints. Whenever OBS mode is selected, you may set the desired course to/from a way-
point using the OBS Page, or an external OBS selector on your HSI or CDI.
The message key is used to view system messages and to alert you to important warnings and
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requirements. See Sections 12 and 9 for more information on messages and unit settings.
The fl ight plan key allows you to create, edit, activate and invert fl ight plans, as well as
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access approaches, departures and arrivals. A closest point to fl ight plan feature is also avail-
able from the fl ight plan key. See Section 4 for more information on fl ight plans.
The vertical navigation key allows you to create a three-dimensional profi le which guides
VNAV
you to a fi nal (target) altitude at a specifi ed location. See Section 10.
The procedures key allows you to select approaches, departures and arrivals from your
fl ight plan. When using a fl ight plan, available procedures for your de parture and/or arrival
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airport are offered automatically. Otherwise, you may select the desired airport, then the
desired procedure.
TAKEOFF TOUR

Key and Knob Functions

Whenever the GNS 530 is dis play ing a list of
information that is too long for the display screen,
a scroll bar appears along the right-hand side of
the display. The scroll bar graphically in di cates the
number of additional items available within the
se lect ed category.
Simply press the small right knob to activate the
cursor and rotate the large right knob to scroll
through the list.
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