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Navigation data is also provided on the map page to guide you during your flight.
The destination waypoint name and desired track (dtk) appear on the left side of the
page, below the communication frequencies. Additional data fields may be displayed
at the corners of the map display (or removed by pressing
\
), as follows:
Distance (dis) to waypoint - upper left corner
Ground speed (gs) - upper right corner
Ground track (trk) - lower left corner
Map scale - lower right corner (cannot be removed)
The next page available from the GNC 250XL’s
N
key is the navigation com-
munications (NAVCOM) page. The NAVCOM page provides a list of the airport
frequencies at your departure and arrival airports, allowing convenient selection of
frequencies you’ll need along your flight path. To scroll through the list of frequen-
cies, rotate the inner knob (
K
) in the direction of the arrow prompts at the bottom
left of the page.
The frequencies displayed for the departure and arrival airports are listed in the
order you are most likely to use them (see left), with the available frequencies dis-
played to the right of the airport identifier. If you do not have an active route with a
departure airport, the NAVCOM page will display the frequencies for the airport
nearest your departure position.
16
SECTION
1
NAV KEY
Map &
NAVCOM Pages
The NAVCOM page lists the frequencies for your
departure (or nearest) and arrival airports in the
following order:
Departure Arrival
• Unicom • ATIS
• ATIS • Approach
• Clearance Delivery • Arrival
• Clearance Pretaxi • TCA
• Ground • TMA
• Tower • CTA
• Multicom • ARSA
• Other • TRSA
• Departure • Tower
• TCA • Multicom
• TMA • Other
• CTA • Ground
• ARSA • Unicom
• TRSA
250xl manual 2 7/17/98 1:27 PM Page 16