System Operation
3-127
GNS-XL Flight Management System
Rev. 0
Oct/96
8. BACK Key - DEPRESS to return to HOLD Page.
NOTE: An Offset Waypoint (#OFF*) can be input with a radial based
on the LAST TK value and distance calculated from the LAST GS
value as well as the time elapsed from power off, provided significant
changes to aircraft track or groundspeed have not been made. If the
aircraft has turned or if the speed has changed, the pilot should esti-
mate the track and distance traveled since the loss of power.
9. Offset Waypoint IDENT - INSERT.
10. ENT Key - DEPRESS.
11. Recorded or Estimated
Radial - INSERT LAST
TK value or averaged
value. (Figure 3-202)
12. Distance - INSERT cal-
culated distance in NM
and tenths.
13. ENT Key - DEPRESS.
14. Waypoint Coordinates -
VERIFY for reasonability.
15. ENT Key - DEPRESS.
16. DIF - CHECK
If Update Desired:
17. ENT Key - DEPRESS. The VLF (RPU) sensor and the VPU
interfaced to the updated CDU are updated as well as the com-
posite position.
If Update Not Desired:
18. NAV, PLAN, FPL, TUNE, VNAV, HDG, or d Key - DEPRESS
to cancel the HOLD.
CREATING/CHANGING PILOT ENTED
(PERSONALIZED) WAYPOINTS
A personalized waypoint may be created by entering a non-NDB
(Nav Data Base) waypoint identifier and inserting the desired position
coordinates on the Waypoint Page.
WAYPOINT #OFF*
RAD 060.0
DIS -----
POS --------
--------
818 WPTS AVAIL
OFFSET WPT 1/1
>
Figure 3-202