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The GNC 300’s NRST key provides detailed information on the nine nearest airports,
VORs, NDBs, intersections and user waypoints within 200 nm of your current position.
In addition, it will display the two nearest Flight Service Station (FSS) points of commu-
nication and alert you to any Special Use Airspace (SUA) you may be in or near. The
NRST key can be used in conjunction with the GNC 300’s direct-to function to quickly
set a course to a nearby facility in case of an in-flight emergency.
To view the nearest waypoint information:
1. Press
T
.
This will display the nearest airport to your present position, subject to the runway
surface type and minimum runway length selected (see Section 7).
To scroll through the next eight nearest airports, rotate
K
.
You may examine both the communication frequencies and the runway information
directly from the nearest airport page. You may also place the displayed frequency into
the standby field by pressing
E
from the nearest airport page.
To view more comm/runway information:
1. Press
C
twice and rotate
O
to highlight the comm field or the runway field.
2. Rotate
K
to scroll through more information, if available.
To perform a direct-to from any of the nearest waypoint pages:
1. Press
D
. The waypoint confirmation page will appear.
2. Press
E
to accept the waypoint or
\
to cancel.
The nearest waypoints for other categories (VORs, NDBs, etc.) may be viewed
by rotating
O
. Rotating
O
continuously to the left will stop page selection on the
nearest airport category.
53
REFERENCE
Nearest Waypoints
Nearest airport with other frequency information.
If an airport has multiple frequencies available,
they may be quickly viewed without activating
the cursor by pressing the CLR key repeatedly.
Nearest FSS page. To view additional frequencies
(if available), highlight the frequency and rotate
the outer knob.
SECTION
4
NRST KEY
Overview
300 7/14/98 8:50 AM Page 53