Garmin GNC 420 Pilot's Manual & Reference page 21

Active Leg of
Flight Plan
Default NAV Page
During most fl ights, the default NAV, map and NAVCOM pages will be the primary
pages used for navigation. The default NAV page displays a graphic course deviation
indicator (CDI), the active leg of your fl ight plan (as defi ned by the current "from" and
"to" waypoints), and six user-selectable data fi elds. The default settings for these fi elds
are distance to waypoint (DIS), desired track (DTK), bearing to waypoint (BRG), ground
speed (GS), ground track (TRK) and estimated time en route (ETE). See Section 9 for
defi nitions of these navigation terms. The default NAV page is selected using the steps
described on page 10.
From the default NAV page, simply rotate the small right knob (
page (see page 7) and again to display the NAVCOM page. The NAVCOM page displays
the available frequencies (communications and navigation) for the departure airport, any
en route airports which are included in your fl ight plan, and the fi nal destination airport.
When using the direct-to function, frequencies will be listed for the airport nearest to
your starting position and the destination airport.
To display the frequency list for the desired flight plan or direct-to airport:
1. Push the small right knob (
GPS window).
Course Deviation Indicator (CDI)
a
r ) to activate the cursor on the airport identifier field (in the
User-
selectable
Data Fields
The data fields on the default NAV page may
be custom-tailored to your preferences. A menu
selection is provided to "Change Fields?"
) to display the map
The large right knob (
data field you wish to change. Then use the
small right knob (
{continued}
options and select the desired data item.
TAKEOFF TOUR
Default NAV Page
d
) is used to select the
a
) to display a list of data
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