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center and right MFDs, respectively.
2. Depress the D/L pushbutton on the center MFD
VDI format.
3. Maintain the command altitude indicated on the
right side of the center MFD VDI format.
4. Maintain the command speed indicated on the left
side of the center MFD VDI format.
5. Steer the aircraft to the command heading marker
on the HUD or center MFD MI format.
6. A comparison between the command coume mceived
tinm the data link and the d&-compensated
command heading can be observed on the tighthand
MFD HSD D/L format. Command course is in
the form of a course line pointer, and the command
heading to be flown is indicated by captain’s bars.
20.3.6.5.3 Destination Display Steering. In the
destination steering mode, the pilot maintains a great
circle route from the aircraft present position to a designated
waypoint by steering to the command heading
marker on the HUD and VDI.
The pilot selects the destination waypoint for steering
by depressingt he up or down arrow pushbuttonso n the
HSD basic format and then pressing the ENTER pushbutton.
This results in the HSD format in Figure 20-39.
The mission computer calculates range, bearing, and
time to go from the aircraft position. This data is shown
in the upper left data block on the HSD format. The
destination display steering mode may then be initiated
by depressing the DEST pushbutton on the MFD VDI
display format or by boxing WPT on HSD. The mission
computer then calculates the command great circle
course to the selected waypoint and the command heading
to fly to make it good by considering drift angle.
The destination command course, destination command
and headiig, range to destination, time to go, and
waypoint number are displayed as shown in Figure 20-39.
For the destination steering mode proceed as follows:
1. Call the VDI and HSD formats on the pilot center
and right MFDs, respectively.
2. On the HSD basic format, depresst he up or down
arrow pushbuttons until desired destination waypoint
number appears between the arrows.
3. On the HSD basic format, depresst he ENT pushbutton.
The selected waypoint will then appear
under the DEST waypoint symbol on all HSD displays
and under the selected WPT symbol of the
HSD display used to enter the waypoint.
4. On the VDI basic format, depresst he DEST pushbutton
or box WPT on the HSD format. Destination
steering will now be provided and DEST will
be boxed.
5. Steer aircraft to command heading marker on
HUD or VDI.
ORIGINAL 20-60
NAVAIR 01-F14AAD-I
HUD
. MARKER
-500
a 13.5
M 0.52
1.2 MAN . MANUAL
,=
4.5 lOL--- ---,lO
\
SELECTED
//
IT\’
\
I
VDI
COMMAND
HEADING
MARKER
35 36 01
-+3 -
__ __
- -
MANUAL
STEERING
SELECTED
----a---
(AT)2-F50D-445-1
Figure2 0-37.M anuaSl teeringM odeF ormats(S heet1 of 2)
20-61 ORIGINAL
NAVAIR 0%F14AAD-1
Figure 20-37. Manual Steering Mode Formats (Sheet 2 of 2)
20.3.6.5.4 Tacan Steering. In the tacan steering
mode (Figure 2040), the pilot may steer to a selected
tacan radial using the various course deviation displays
on the HUD and MFD. The tacan deviation is the angular
difference between the bearing to the tacan station
(tacan radial) and the command course (tacan course)
selectedbythepilotonthecourse~eadingcontrolpanel.
To enter the tacan steering mode, the pilot depresses
the TCN pushbutton on the MFD VDI display format
or boxes TACAN on the HSD format. After selection
of a tacan course, the tacan deviation symbols are displayed
on the HUD, MFD VDI tacan, and two possible
HSD tacan formats. On the HSD tacan format, the CD1
display mode may be selected by depressing the CD1
pushbutton. With CD1 selected, the tacan deviation is
displayed in the form of a deviation bar whose offset is
scaled along a row of deviation tics. The arrow head on
the bar is changed on the displays to indicate whether
the tacan course is toward or away from the tacan station.
If the tacan deviation is less than 90”, a to indication
is shown and, if greater than 90°, a from indication. The
tacan deviation bars on the HUD, MFD VDI tacan display
format and MFD HSD tacan display format are
solid bars when going to and dashed bars when coming
from. The separation between deviation tics is 4O.
If the CD1 display is not selected, then the second
HSD format in Figure 2040 is displayed. On this format,
the tacan radial is still displayed passing through
　
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