Nav key – Garmin GNC 300XL TSO User Manual

Page 26

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To select a map scale:

1. Rotate the

K

knob clockwise to increase the map scale and show a larger area.

2. Rotate the

K

knob counterclockwise to decrease the map scale and show a smaller area.

An autozoom feature is available which will automatically adjust from an en route

scale of 300 through each lower scale, stopping at a scale of 1 as you approach your
destination waypoint. The autozoom feature is turned on/off from the map setup page
described on page 101.

The orientation of the map may be fixed at ‘north up’, or set to ‘desired track up’

(dtk up) or ‘track up’ (trk up). The ‘north up’ setting will keep the top of the map
display fixed on north. ‘Track up’ will cause the map to rotate so the top of the map
is the direction you are heading. ‘Desired track up’ keeps the map display fixed along
your desired course. Map orientation is changed on the map setup page described on
page 101.

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. Four additional data fields are located at
the corners of the map display (and may be 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)

16

SECTION

1

NAV KEY

Map Page

To change the map scale rotate the

K knob clock-

wise to increase the scale or counterclockwise to
decrease the scale.

On the map page the active and standby commu-
nication frequencies are in the upper left corner of
the page. The active frequency is on top.

300xl manual 1/25/99 2:35 PM Page 16

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