System Operation
3-74
GNS-X
LS
Flight Management System
Rev. 3
Sep/96
b.
Enter a (+), then the range value to indicate the offset is
beyond the waypoint.
c.
To erase the offset value, INSERT 0 and press ENTER Key.
The field changes to dashes, indicating no offset is pro-
grammed.
7.
ENTER Key - DEPRESS. The cursor moves to the FPA field
only if the entered constraint is below the aircraft’s present alti-
tude.
NOTE: A climb FPA cannot be programmed but the direct FPA field
will display the up angle between the aircraft’s present altitude and
the altitude constraint that was entered. If an FPA is programmed to
a direct FPA up waypoint it will be a DN (descent) FPA and an ambi-
guity will be displayed on the VNAV waypoint page.
To program a Path Descent
8. Flight Path Angle (FPA) -
INSERT or VERIFY (valid
range is 0.1 to 6.0).
(Figure 3-124)
NOTE: The FPA value field
prefills with the default (DEF)
value programmed on the
VNAV DATA Page if this
waypoint was accessed from
the FPL Page. If accessed
from the NAV or
d
Page,
the FPA field prefills with the
(DIR) value. If an FPA is manually entered, the FPA type field
changes to (MAN).
With the cursor over the FPA value, Depressing the BACK Key will
cycle through all or some of the following:
• (DEF)
• (DB)
• (AUTO)
• (DIR)
• (MAN)
To cancel the FPA, INSERT 0 and press ENTER Key. The field
changes to dashes, indicating no FPA is programmed, the vertical
deviation output is invalid and no vertical deviation information will be
WAYPOINT MENLO
ALT
3000
EST CROSSING
2900
OFFSET
---
REQ FPM
-----
FPA
(DEF)
DN
3.0
DIRECT FPA
DN 0.0
VNAV WAYPOINT 1/1
>
>
>
Figure 3-124
Summary of Contents for GNS-XLS
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