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System Operation
3-14
GNS-XL Flight Management System
Rev. 3
Oct/02
reversed to Active Flight
Plan status, press the
BACK Key to display
INVERT?. (Figure 3-17)
6. ENT Key - DEPRESS.
7. ACTIVE FPL - CON-
FIRM. Observe that the
Stored Flight Plan trans-
ferred to the ACTIVE FPL
Page as SELECTED or
INVERTED. (Figure 3-18)
INITIAL LEG SELECTION
An initial From/To Leg or
Direct To Leg must be estab-
lished in order for the system
to provide guidance along
the Flight Plan. From the
ACTIVE FPL Page , the fol-
lowing procedure is used.
1. NAV Key - DEPRESS.
2. FR Waypoint - VERIFY. The first waypoint on the Active Flight
Plan will appear in the FR field. To change the FR waypoint,
insert the desired identifier.
3. ENT Key - DEPRESS. The next waypoint in the Active Flight
Plan sequence will appear in the TO field.
4. TO Waypoint - VERIFY. To change the TO waypoint, insert the
desired identifier.
5. ENT Key - DEPRESS.
6. DIS, DTK - CHECK for
reasonableness. (Figure
3-19)
If this leg selection is part of
an active flight plan involving
Oceanic/Remote operation
using GPS as the sole navi-
gation source, an FDE pre-
diction to determine sufficient
GPS availability must be per-
BDF
GSH
KDTW
******
DEPART
ARRIVE INVERT?
APPROACH ERASE
FLIGHT PLAN 5 3/3
>
<
<
<
<
<
>
Figure 3-17
KSNA - KDTW
MUSEL
HEMET
TRM
EED*
TBC
DEPART
ARRIVE ETE
APPROACH ERASE
ACTIVE FPL 1/3
>
<
<
<
<
<
>
Figure 3-18
FR KSNA -----
TO MUSEL -----
DIS 13.1
ETE ------
DTK 186
GS -----
WIND ---/---
-AUTO-
NAVIGATION 1/4
>
<
<
>
>
Figure 3-19