System Operation
3-83
GNS-XLS Flight Management System
Rev. 3
Sep/96
11. ENTER Key - DEPRESS to accept waypoint entries.  VNAV
Page 1 is displayed, a Vertical Path Descent has been estab-
lished, and Vertical Deviation information and guidance is
enabled if a descent has been programmed.
DIRECT TO - VNAV WAYPOINT
This procedure allows the
pilot to program a Direct To
on the Vertical Flight Plan,
while still flying the lateral
waypoints on the Active
Flight Plan.  The VNAV
Direct To function automati-
cally deletes any intermedi-
ate altitude constraints and
sets up a Path Descent to
the Vertical TO Waypoint
using the Direct Flight Path
Angle.
1. d Key - DEPRESS.  A
DIRECT TO Page will
appear with the cursor
over the current TO way-
point.
2. Line Select Key -
DEPRESS to position
cursor over desired way-
point.  (Figure 3-136)
3. VNAV Key - DEPRESS.
VNAV WAYPOINT Page
appears.  If necessary,
position cursor over ALT
field (Figure 3-137).  If
an altitude constraint has
already been pro-
grammed, the cursor will
appear over the FPA
value field (Figure 3-
138).  Go to Step 8.
4. ALT - INSERT or VERIFY.
  WAYPOINT BDF
ALT -----
PLAN CROSSING 14000
OFFSET ---
REQ FPM DN 1100
DIRECT FPA -----
VNAV WAYPOINT 1/1
>
>
>
Figure 3-137
 WAYPOINT BDF
ALT 14000
PLAN CROSSING 14000
OFFSET ---
REQ FPM DN 1100
FPA (DIR) DN 2.5
DIRECT FPA DN 2.5
VNAV WAYPOINT 1/1
>
>
>
Figure 3-138
KSNA PWE  
MUSEL LMN  
HEMET BURKK
TRM   TO BDF  
EED* GSH
TBC KDTW
FMN *****
PUB
HLC
DIRECT 1/2
>
>
>
<
<
<
<
<
Figure 3-136