Garmin GPS 400 Pilot's Manual And Reference page 11

Bottom Row Keys
The NRST key displays the nearest airports page. Then, rotating the small
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a
right knob ( ) steps through the NRST pages.
The OBS key is used to select manual or automatic sequencing of waypoints.
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Pressing the OBS key selects OBS mode, which will retain the current "active
to" waypoint as your navigation reference even after passing the waypoint (i.e.,
prevents sequencing to the next waypoint). Pressing the OBS key again will
return to normal operation, with automatic sequencing of waypoints. Whenever
OBS mode is selected, you may set the desired course to/from a waypoint
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
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warnings and requirements. See Sections 7 and 8 for more information on mes-
sages and unit settings.
The flight plan key allows you to create, edit, activate and invert flight plans, as
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well as access approaches, departures and arrivals. A closest point to flight plan
feature is also available from the flight plan key. See Section 3 for more infor-
mation on flight plans.
The procedures key allows you to select and remove approaches, departures
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and arrivals from your flight plan. When using a flight plan, available proce-
dures for your departure and/or arrival airport are offered automatically.
Otherwise, you may select the desired airport, then the desired procedure.
TAKEOFF TOUR
Key and Knob
Functions
Whenever the GPS 400 is displaying a list of
information that is too long for the display
screen, a scroll bar will appear along the
right-hand side of the display. The scroll bar
graphically indicates the number of additional
items available within the selected category.
Simply press the small right knob (
vate the cursor and rotate the large right knob
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( ) to scroll through the list.
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) to acti-