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To change any of the selectable fields on the CDI page:
1. Press
C
twice to activate the cursor in the GPS window.
2. Rotate
O
to highlight the field you would like to change.
3. Rotate
K
to change the field to display the desired information.
4. Rotate
O
to highlight another field, or
C
to finish.
The next page available from the GNC 250XL’s
N
key is the map page. The
map page displays your present position, using an airplane symbol (in track up
mode) or a position diamond (in other orientation modes), along with nearby air-
ports, VORs, NDBs, intersections, user waypoints and airspace boundaries. Note: If
the GNC 250XL is unable to determine a GPS position the present position symbol
will not appear on the map page.
The top left corner of the page indicates the active and standby communica-
tions frequencies — unlike other GNC250XL screens which display both frequen-
cies across the top line — with the active frequency on top.
14
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.
SECTION
1
NAV KEY
CDI &
Map Pages
Comm
Frequencies
Data Fields
{
Map Display
250xl manual 2 7/17/98 1:26 PM Page 14