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System Operation
3-46
GNS-XL Flight Management System
Rev. 1
Jul/98
USING OWN NAVIGATION TO FLY DME ARC
1. FPL Key - DEPRESS to display the ACTIVE FPL Page. (Figure
3-77)
2. Approach and Waypoint
Sequencing - VERIFY
they appear as selected.
3. MSG Key - VERIFY
approach is armed within
30NM of the airport and
the HSI scaling output
has changed to TRMNL
on NAVIGATION Page 2.
4. FMS Mode - SELECT or VERIFY the appropriate mode for guid-
ance.
5. Flight Director or Autopilot - ENGAGE the appropriate mode.
6. Waypoints and HSI Course - VERIFY proper sequencing during
the approach.
7. Approach Annunciator - When over the FAF, VERIFY annuncia-
tion and the HSI scaling output has changed to APPR on NAVI-
GATION Page 2.
The following is a brief description of the screen displays typically
seen flying a DME Arc.
NOTE: Certain EFIS map displays do not support curved lines to
draw DME Arcs. In this case the map will only display waypoints up
to and including the IAF waypoint at the beginning of the arc. No
waypoints will be displayed while on the arc. Once the aircraft has
passed the arc end waypoint, the map will display the remaining
waypoints of the active flight plan. Although no waypoints will be dis-
played during the DME Arc
Procedure, the FMS page
displays will be as depicted
in Figures 3-78 through 3-82
NOTE: If aircraft is config-
ured for dual systems no
XFILL? prompt will be dis-
played during a DME ARC
procedure even if dissimilar
data exists in each system.
DIRECT 11:47
AR D259J 11:53
DIS 16.6
ETE 00:005.4
DTK 265
GS 201
WIND ---/---
-AUTO-
NAVIGATION 1/4
<
>
>
>
<
Figure 3-78
KEED - KPRC
EED
DRK
KPRC
DEPART
ARRIVE ETA
APPROACH? ERASE
ACTIVE FPL 1/1
<
<
<
<
<
>
Figure 3-77