Garmin GPS 400 Pilot's Manual And Reference page 115

Nearest Flight Service Station (FSS) Page
The nearest flight service station page displays the facility name, bearing to and
distance to the five nearest FSS points of communication (within 200 nautical miles
of your present position). For each FSS listed, the nearest flight service station page
also indicates the frequency(s).
For duplex operations, "RX" and "TX" indications will appear beside the listed
frequencies—indicating "receive only" or "transmit only" frequencies. The associat-
ed VOR is also provided for reference.
FSS Name
Frequency(s)
VOR Identifier
(for duplex operation)
Nearest Airspace Page
The last page in the NRST group, the nearest airspace page, will alert you to as
many as nine controlled or special use airspaces near or in your flight path. Alerts
are provided according to the following conditions:
• If your projected course will take you inside an airspace within the
next ten minutes, the alert message "Airspace ahead -- less than 10
minutes" will appear. The nearest airspace page will show the airspace
as "Ahead".
Bearing To and
Distance To
Seventh Page
in NRST group
NRST PAGES
Nearest FSS
6