Power-Up Sequence (continued)
In most cases, updating the present position may be simplified by
selecting a Reference Waypoint’s position, if the Reference Waypoint
is close to the current position. To do this, press ENT when the cursor
is flashing on the Reference Waypoint field, as shown below.
Ppos: 38°04.20N
102°41.28W
Ref Wpt: CHG?
NAV
The Waypoint Retriever will be started if ENT is pressed when the
cursor is flashing on “CHG?”, the Reference Waypoint Change field.
Refer to the Operating Logic section of Basic Concepts for detailed
information on the Waypoint Retriever.
When the desired waypoint has been found using the Waypoint
Retriever, press ENT to exit the Waypoint Retriever and to display the
current position of the retrieved waypoint. If you are satisfied with the
present position displayed, press ENT again to save it as the NMC’s
current position.
The final power-up screen, shown below, prompts you to enter a local
altimeter setting. This screen is only shown if an Altitude Encoder or a
Fuel/Air Data Sensor is installed. Turn the Small knob until the setting
is correct, then press ENT.
Altitude Assist
Local Altimeter
Setting 29.92"
NAV
ETE --- --:--
--Nav Flagged--
brg --- -- nm·
NAV
23
Operations Power-Up Sequence
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