Garmin GNC 250XL - Manual (Page 9)

vii
INTRODUCTION
Key and Knob
Functions
Key and Knob Functions
B
The power/volume knob controls unit power and radio volume.
Q
The squelch button activates automatic squelch control.
D The direct-to key performs an instant direct-to, allows you to enter a
waypoint, and sets a direct course to the destination.
T
The nearest key is used to obtain information on the 9 nearest airports,
VORs, NDBs, intersections, user waypoints and 2 nearest FSS/ARTCC
points of communication. The nearest key also accesses any active SUA
information. See Section 4 for more information on the nearest waypoints.
R
The route key enables you to create, edit, activate and invert routes. Search-
and-rescue, parallel offset and closest point of approach functions are also
performed using the route key. See Section 5 for more route information.
W
The waypoint key is used to view information such as runways, frequen-
cies, position and comments on airports, VORs, NDBs, intersections and
user waypoints. See Section 3 for more waypoint information.
N The navigation key is used to view navigation and position information.
Planning operations are also performed using this key. See Section 1
for more information on navigation and planning operations.
The GNC 250XL is designed to minimize
keystrokes when performing operations. There are
typically several ways to perform the same opera-
tion. In general, using the knobs will decrease key-
strokes and time spent using the GNC 250XL.
Experiment to find the most effective way to use
the GNC 250XL to your advantage.
250xl manual 2 7/17/98 1:26 PM Page vii