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Please note that your GPS 155 uses ICAO identifiers for
all airport names. All continental U.S. airport identifiers
which contain only letters use the prefix ‘K’. For example,
Los Angeles International is KLAX under the ICAO stan-
dard. Other airports, such as Otten Memorial (3VS), that
contain numbers in the identifier, do not require the ‘K’
prefix. Many foreign countries use 2 letter prefixes. For
more information on ICAO identifiers, contact:
Document Sales Unit
International Civil Aviation Organization
1000 Sherbrooke, Suite 400
Montreal, Quebec
Canada H3A 2R2
Section 2
Waypoint and Database Information
The GPS 155 uses a Jeppesen NavData® card to provide position and facility
information for thousands of airports, VORs, NDBs and intersections. Each facility in
the database is stored as a waypoint, with its own latitude/longitude, identifier (up to
five letters and/or numbers) and other pertinent information. Up to 1,000 user way-
points may also be created and stored in the GPS 155’s internal memory.
Waypoint information is available through four primary waypoint pages accessible
from the GPS 155’s WPT key. The waypoint pages may be scrolled through by press-
ing the WPT key and rotating the outer knob until the desired page is displayed, or
by pressing the WPT key repeatedly.
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WAYPOINTS & DATABASE
Overview
Waypoint Menu Page
Proximity Waypoints Page
User Waypoint List
Waypoint Comments List
155man (GOOD) 7/24/98 1:56 PM Page 23