System Operation
3-11
GNS-XLS Flight Management System
Rev. 3
Sep/96
In the North Atlantic database, latitude entries may be made in one
degree increments and longitude entries may be made in five degree
increments. In the North Pacific database, latitude entries may be
made in one degree increments and longitude entries may be made
in ten degree increments.
NOTE: The database includes routes in the North Atlantic and North
Pacific only. North Atlantic waypoint boundaries are between 20°
North and 65° North latitude and 10° West and 70° West longitude.
The North Pacific waypoint boundaries are between 50° North lati-
tude and 140° East and 110° West longitude. Furthermore, if a box
is drawn on a map to display the above mentioned boundaries, way-
points located over a continental land mass will not be in the data-
base.
ERASING A STORED FLIGHT PLAN
1. FPL Key - DEPRESS to display desired FLIGHT PLAN LIST
Page.
2. Line Select Key- DEPRESS to position the cursor over the num-
ber of the FPL to be erased.
3. ENTER Key - DEPRESS.
4. Line Select Key - DEPRESS to position cursor over ERASE?
5. ENTER Key - DEPRESS. All waypoints of the stored FPL will be
erased.
NOTE: If the Active Flight Plan is erased, all waypoints except the
FR and TO are deleted. A fence (- - - - - -) is displayed indicating no
auto leg change beyond the TO waypoint.
USING DUPLICATE WAYPOINT IDENTIFIERS
1. Duplicate Waypoint
Identifiers: (Figure 3-14)
There are several way-
points around the world
with same identifier. If
the identifier selected
has more than one way-
point associated with it,
additional pages will be
indicated on line 1.
i.e.1/2, 1/4, etc. The
WAYPOINT TRM
USA
POS N 33 37.70
W116 09.60
FREQ 116.20
VAR E 13
ELEV -110
NDB-ENTER
DATABASE WPT 2/4
Figure 3-14
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