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Final altitude alert - The suggested altitude is within 1000 feet of
the final altitude entered on the VNAV plan-
ning page.
Fuel/Air input fail - The fuel and/or air data input is not available
to the GNC 300. Check the I/O settings
and/or have the installation checked by a
certified technician.
Heading input fail - The heading input from ARINC 429 is not
available to the GNC 300. Check the I/O set-
tings and/or have the installation checked by
a certified technician.
Inside SUA - You have entered a Special Use Airspace.
Invald CPA wpt _____ - The closest point of approach cannot be created
from the waypoint entered on the CPA page. This
occurs when the computed point does not fall on
one of the route legs, or when a unique waypoint
name for the CPA cannot be found.
Invalid copy route - A non-empty route was selected for a copy
operation. A route must be empty before
another route can be copied to it.
Invalid CPA route - The selected route contains less than two way-
points and cannot be used for CPA operations.
Invalid SAR route - The selected route doesn’t contain exactly two
wpts. and cannot be used for SAR operations.
Leg not smoothed - The upcoming leg is too short for smooth
waypoint transitions. Expect a rapid CDI
change.
Memory battery low - The battery that sustains user memory is low
and should be replaced by an authorized ser-
vice center as soon as possible. Failure to do
so may result in loss of stored data, including
all user waypoints and routes.
Near SUA < 2 nm - You are within 2 nm of an SUA, and your cur-
rent course will not take you inside.
Need alt - press NAV - The GNC 300 needs altitude input in order to
start and/or continue 2D navigation. Press the
NAV key and enter your antenna altitude on
the position page. The altitude should be as
accurate as possible. An inaccurate altitude
will directly translate into an inaccurate posi-
tion fix.
Need pres - press NAV - The GNC 300 needs the altimeter setting at
the arrival airport to navigate an approach.
Press NAV and enter the altimeter setting on
the position page.
111
Getting Started
Status & Position
SECTION
D
MESSAGES &
ABBREVIATIONS
300 7/14/98 8:51 AM Page 111