Garmin GPS 400 Quick Reference page 3

N
The NRST key ( ) displays the nearest airports page. Then, rotat-
a
ing the small right knob ( ) steps through the NRST pages.
O
The OBS key ( ) is used to select manual or automatic sequencing
of waypoints. 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 automat-
ic sequencing of waypoints. Whenever OBS mode is selected, you may
select the desired course to/from a waypoint using the external OBS selec-
tor on your HSI or CDI.
M
The message key ( ) is used to view system messages and to alert
you to important warnings and requirements.
F
The flight plan key ( ) allows you to create, edit, activate and invert
flight plans, as well as access approaches, departures and arrivals. A closest
point to flight plan feature is also available from the flight plan key.
P
The procedures key ( ) allows you to select and remove approach-
es, departures and arrivals from your active flight plan. When using a flight
plan, available procedures for your departure and/or arrival airport are
offered automatically. Otherwise, you may select the desired airport, then
the desired procedure.
KEYS / Power On
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