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System Operation
3-59
GNS-XL Flight Management System
Rev. 1
Jul/98
6. ENT Key - DEPRESS.
OK? ENT message
appears. (Figure 3-100)
7. ENT Key - DEPRESS to
select TO Waypoint and
return to NAVIGATION
Page 1. The cursor may
be positioned over the
Leg Change Mode field.
NOTE: If the Desired Track
is changed, a Pseudo-VORTAC is programmed. If the DTK entry
positions the aircraft on the FROM, or far-side of the TO waypoint,
the Leg Change Mode displayed on NAVIGATION Page 1 switches
to -MAN-, otherwise it remains in -AUTO-. The pilot must determine
if -MAN- or -AUTO- is appropriate.
CANCELING HEADING SELECT MODE
Initiate a DIRECT TO procedure, using the d and ENT Keys, which
immediately cancels the commanded heading or perform the follow-
ing:
1. HDG Key - DEPRESS to display HEADING VECTOR Page.
2. Line Select Key - DEPRESS to position the cursor over HDG
SELECT.
3. BACK Key - DEPRESS until CANCEL? is displayed.
4. ENT Key - DEPRESS to cancel Heading Vector and return to
NAVIGATION Page 1.
NOTE: The system may turn the aircraft to intercept the current
TO/FROM leg at up to a 45° angle.
PROGRAMMING AN INTERCEPT
1. HDG Key - DEPRESS to display HEADING VECTOR Page with
cursor over the HDG field.
2. Heading - INSERT desired Heading in whole degrees, preceded
by R or L, if applicable, to indicate a turn direction.
NOTE: R or L should be used for a heading change greater than
180° from the present heading. A T indicates the system is operating
in the true heading mode.
HDG 205
HDG SELECT
TO IAH DTK 193
OK? ENTER
HEADING VECTOR 1/1
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Figure 3-100