Mode Buttons
Pressing a Mode button places the NMC (Nav Management
Computer) into that mode. Each mode is used to perform certain types
of functions. The NMC is always in one of the six modes, signified by
the lighted mode annunciator.
EMG (Emergency) Mode
EMG mode is used to find the nearest waypoints and
nearest SUAs (Special Use Airspace areas) to your present
position, or to find the closest waypoints to a selected
waypoint. Search parameters, such as runway length, may
be set so the NMC (Nav Management Computer) only
displays airports and User waypoints that are suitable for
your aircraft.
MSG (Message) Mode
MSG mode is used to display messages. The NMC (Nav
Management Computer) alerts you to important conditions,
such as arrival at a waypoint, or degraded position accuracy.
The MSG light flashes when a new message condition
occurs, and is lit solid if any messages you have already
viewed remain.
NAV (Navigation) Mode
NAV mode is used to display navigation information, such
as the bearing, distance, and ETE (Estimated Time En
route) to the To waypoint. NAV mode may also provide
Altitude Assist features, Parallel Track, Current Position
Sensor information, a Countdown Timer, and From, To,
Next waypoint access.
DB (Database) Mode
DB mode is used to access waypoints stored on a datacard,
and to create, store, and edit up to 200 User waypoints.
4
Apollo NMS
EMG
MSG
NAV
DB
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