曝光台 注意防骗
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and vertical valid.
Section V
Operations
2423sv602 5-39
Change 1
Manual Leg Change
The FMS provides maximum flexibility when defining manual leg
changes. Legs may be chosen with either or both the FR and TO
waypoints on or off the flight plan. If a TO waypoint is chosen that is
off the flight plan, the system will prompt the pilot to redefine the NX
waypoint in order to link the newly defined leg into the flight plan.
1. Press the NAV function key to access NAV page 1.
2. Use the line select keys to choose the FR or TO entry field as
desired. A listing of flight plan waypoints will be displayed on the
right side of the page.
3. Enter the identifier of the desired waypoint. If the desired
waypoint is on the flight plan, enter the associated reference
number. If the desired waypoint is not on the flight plan, use the
LIST function or type in the identifier.
NOTE: • If a new FR waypoint was entered, the cursor will
advance to the TO waypoint entry field for entry of a new
TO waypoint. If the TO waypoint displayed is acceptable,
pressing the ENTER key will accept the waypoint and
clear the cursor.
• If a new TO waypoint was entered that was not on the
flight plan, the cursor will automatically advance to the NX
identifier entry field to allow the new TO waypoint to be
linked into the flight plan.
Section V
Operations
5-40 2423sv602
Change 1
4. If the cursor advances to the NX identifier entry field and it is
desired to link the TO waypoint into the flight plan, enter the
reference number of the flight plan waypoint that is to come after
the new TO waypoint.
When the new leg is defined, the system will provide flight guidance
steering to capture the new leg at an intercept angle of 45°. The
HDG function may be used to select a different intercept heading.
Section V
Operations
2423sv602 5-41
Change 1
Direct-To Function
The FMS also provides maximum flexibility when defining direct to
leg changes. Direct to waypoints or airports on or off the flight plan
may be chosen. If a TO waypoint that is off the flight plan is chosen,
the system will prompt the pilot to redefine the NX waypoint in order
to link the newly defined leg into the flight plan.
To go direct to a waypoint:
1. Press the DTO function key to access the Direct To (DTO)
routing page. The cursor will be over the DIRECT TO waypoint
entry field and a listing of flight plan waypoints will be shown.
2. The turn direction will default to shortest turn, therefore no action
will be required by the pilot. The turn direction can be overridden,
however, by specifying LEFT or RIGHT direction.
Pressing AUTO line select key will cancel LEFT or RIGHT and
return default to shortest direction.
3. Enter the identifier of the desired DIRECT TO waypoint. If the
desired waypoint is on the flight plan, enter the associated
reference number. If the desired waypoint is not on the flight
plan, use the LIST function or type in the identifier.
Section V
Operations
5-42 2423sv602
Change 1
NOTE: • If the DTO waypoint entered was on the flight plan, the
display will return to the normal Nav page (NAV page 1).
<PPOS>, present position, will be in the FR waypoint
position, the DTO waypoint identifier will be in the TO
waypoint position, and the next flight plan waypoint after
the new TO waypoint will be in the NX position.
• If the DTO waypoint entered was not on the flight plan,
the display will show a NAV page with flight plan
waypoints listed on the right and the FR, TO, and NX
waypoints on the left. <PPOS>, present position, will be
in the FR waypoint position and the DTO waypoint
identifier will be in the TO waypoint position. The cursor
will be over the NX identifier entry field to allow the new
TO waypoint to be linked into the flight plan.
4. If the cursor advances to the NX identifier entry field and it is
desired to link the DTO leg into the flight plan, enter the
reference number of the flight plan waypoint that is to come after
the new TO waypoint.
When the TO waypoint is entered, the system will compute a course
to the DTO waypoint and provide flight guidance steering for a
circular turn towards the course so as to roll out on the new course
with no crosstrack error.
Section V
Operations
2423sv602 5-43
Change 1
NAV MANEUVER Functions
On NAV Page 1, pressing the MNVR line select key will result in the
MANEUVER Options page. By pressing the appropriate line select
key, the pilot can select HOLDING PATTERN options, HDG, SXTK
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