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same as TLN with the following differences: (1)
selection of manual, tacan and all weather landing
steering modes will not be provided; (2) the waterline
reference dot and the heading and course select
settings will not be displayed; (3) the heading scale
numerics will be provided at 20 degree intervals, and
(4) the pitch/ flight path ladder will be compressed
and modified.
Aircraft magnetic heading is indicated by the moving 360” heading scale in
A/A. The major divisions are numbered every 20 degrees.
Actual aircraft heading is displayed below the stationary pointer.
Positioned along the heading scale to correspond with the command
heading.
;I> VDI Air-to-Air and Air-to-Ground Formats (Sheet 1 of 6)
ORIGINAL 2-210
NAVAIR 0%Fl4AAD-1
SYMBOL
@ Pitch/flight path ladder
FUNCTION
Ladder displays aircraft climb/dive angle and roll angle. Aircraft vertical
flight path angle is indicated by the position of the flight path marker on the
pitch/flight path ladder. Positiie pitch lines are solid and negatlle pitch
lines are dashed. To aid in determining flight path angle when it is
changing rapidly, the pitch lines are angled toward the horizon at an angle
half that of the flight path angle. For example, in a 40” climb the pitch lines
are angled 20” toward the horizon. UP appears at +90 and DOWN
appears at -90. The VDI, pitch ladder will always be caged.
0
Radar akiiude indicator Displays radar altitude when the aircraft is below 5,000 ft AGL. When radar
aftitude is selected for display on the HUD and MFD (via the swkch located
on the pilot display control panel), the radar altitude indicator will not be
displayed.
69 Vertical velocity Displays aircraft rate of climb/descent in feet per minute. Descent will be
indicated by a negative (-) sign. Absence of the negative sign indicates a
positive value.
0
Attitude Barometric or radar altttude will be displayed depending on the source of
data. When the ALTITUDE switch is in RDR, radar altitude will be displayed
and will be identified by an R next to the altitude. If the radar altitude is
invalid, barometric altllude will be displayed and a Bnext to the altitude will
be flashed to indicate that barometric altitude is being displayed rather
than radar altitude. The bottom of the altitude box will be positioned at the
waterline reference position.
@ Altffude source Indicates source of altitude data.
@ B=o;;;;;~;r In A/A and A/G, pushbutton enables momentary display of the barometric
pressure setting on the pilot’s altimeter. The setting will appear for 5
seconds each time the pushbutton is depressed. However, in TLN the
barometric pressure setting will be displayed continuously on the HUD and
VDI.
3 10 Barometric pressure The barometric pressure setting used by the display system and weapon
setting system is the value entered. When the baro setting is changed on the DEU
in the A/A and A/G mode, the baro setting will be momentarily displayed
for 5 seconds after the change is made or will appear for 5 seconds when
the barometric pressure setting pushbutton is depressed. It will also
appear and flash for 5 seconds when the aircraft drops below 10,000 feet,
300 knots.
53
DEST steering button Enables selection of the destination steering mode.
Figure 2-110. MFD VDI Air-to-Air and Air-toGround Formats (Sheet 2 of 6)
2-211
NAVAIR 01.F14AAD1
SYMBOL FUNCTION
0
D/L steering pushbutton Enables selection of the data link steering mode.
013 A/A mode selection Indicates selection of the A/A mode.
legend
@
Declutter (DCL) In A/A, selection of the declutter option removes the indication of airspeed,
pushbutton Mach number, altitude and vertical velocity from the display, and adds
waterline reference indicators. Selection of the declutter option is indicated
by a box around the pushbutton legend.
0 Bank scale Provides indication of bank angle to *60”. Marks are provided at O”, f5”.
ilO”, f20”, f30”, f45” and f60”.
63 ECM pushbutton Enables the presentation of the threat display once depressed.
Subsequent depression of the ECM pushbutton will return the display to
the previous format. This will permit a quick look at the threat display and
provide a quick return to the previous format.
0 MENU pushbutton Depression of MENU will result in the MENU list to appear in the border
area of the display. Subsequent depression of the pushbuttion will result in
the alternate presentation of the MENU1 and MENU2 list in the border area
of the display.
63
Bank angle pointer Moving pointer provides indication of aircraft bank angle. At bank angles in
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F-14D 飞行手册 Flight Manual 1(163)
