曝光台 注意防骗
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Electrical power should be applied for at leaat 1
minute before caging. The unit should be caged prior to
engine start during cockpit interior inspection. In flight,
recaging should be initiated only when error exceeds 1 O0
and only when the aircrafi is in a wings-level normal
cruise attitude. Errors ofless than 10” will automatically
erect out at a rate of 2.Y per minute.
Electrical power is supplied by the essential ac buses.
An OFF flag appearso n the right side of the instrument
face when power is removed or when the gyro is caged,
but the gyro is capable of providing reliable attitude
information (within 9’) for up to 3 minutes after a complete
loss of power. The gyro can be manually caged by
pulling the pitch trim knob on the lower right comer of
the instrument. Depressing TEST centers the ARA-63
needles and the turn-and-slip pointer deflects to the right
and lines up with the fuced marker.
2.35.1.1 Turn-and-Slip indicator. The standby
attitude indicator includes a standard needle and ball
turn-and-slip indicator. The pointer is tested when the
TEST button is pressed and it deflects to the right and
lines up with the fixed marker.
2.35.2 Standby Airspeed indicator. The standby
airspeed indicator on the pilot and RIO instrument panels
is a pitot-static instrument that displays indicated
airspeed from 0 to 800 knots. The indicator is graduated
in IO-knot increments up to 200 knots, then in 50-knot
increments.
Note
The indicated airspeed displayed is not corrected
for position error.
2.35.3 Standby Altimeter. Both the pilot and RIO
standby altimeters display altitude up to 99,000 feet on
the five-digit counter, but only the left two digits are
moveable. The pointer moves about a dial calibrated
from 0 to 1,000 feet in 50-foot increments.
A BAR0 setting knob, on the bottom left, is used to
set in the local atmospherep ressure( TNCHES HG) between
28.10 to 30.99 inclusive. The four-digit counter
displays the BAR0 setting. The BAR0 setting from the
pilot standby altimeter is provided to the mission computers
via the converter interface unit and can be displayed
on the HUD and the MFDs.
2.35.4 ANIAPN-194(V) Radar Altimeter System.
The radar altimeter is a low-altitude (0 to 5,000 feet),
pulsed, range-tracking radar that measures the surface
or terrain clearance below the aircraft. Altitude information
is developed by radiating a short-duration radio
frequency pulse from the transmit antenna to the Earth’s
surface and measuring elapsed time until radio frequencye
nergyr eturnst hrought he receivera ntenna.T he
altitude information is continuously presented to the
pilot, in feet of altitude, on an indicator dial. The system
also outputs a digital signal for display of radar altitude
on the HUD from 0 to 5,000 feet during takeoff and
landings.
The radar altimeter has two modes of operation. In
the search mode, the system successively examines increments
of range until the complete altitude range is
searched for a return signal. When a return signal is
detected, the system switches to the track mode and
tracks the return signal to provide continuous altitude
information.
ORIGINAL 2-234
INPUT NAME
ALTITUDE
Baro pressure
Bearing
UNITS LIMITS SIGN FIELD/PROMPT DIR OF ENTR!
FT -5000 to *(I) QXXXXXX (2) RT to LT
+131071 (5)
IN HG 25 to 35 NONE xX.xX RT to LT
DEG 1 to 360 NONE XXX RT to LT
Channelnumber 1 - lot0 127 NONE 1 XX 1 RTtoLT
Coverage
Direction
Heading
Latitude
DEG
DEG
DEG
DEG. MIN
oto180
1 to 360
1 to 360
-90 to +90
NONE x)(x
NONE XXX
NONE XXX
S, N (3) QbXXbXXXX
RT to LT
RT to LT
RT to LT
(4) LT to RT
Longitude DEG, MIN -180 to +1eo W E (3) QbXXXbXXXX (5) LT to RT
Magnetic variation DEG -1eoto +I80 W, E (3) XXX.XbQ RT to LT
IFT number - 0 to 31 NONE XX RT to LT
Waypoint number - 1 to20 NONE XX RT to LT
Weapon option -
Range NMI
Sector -
0 to 6 NONE X RT to LT
0 to 500 NONE )-0 0-(. X RT to LT
1 to 6 NONE X 1 RTtoLT
Carrier speed 1 KNOTS IOto64 NONE I XX I RTtoLT
IFT TGT speed
Wind speed
Time
KNOTS
KNOTS
HRS
MIN, SEC
0 to 2047
0 to 200
oto23
oto59
NONE XxXx
NONE XXX
NONE XXXXbXX
RT to LT
RT to LT
(4) LT to RT
(5)
Vertical lever arm FT lOto 1 NONE I XXX 1 RTtoLT
Map lines
Map offset
Target length
- oto99 NONE Xx RT to LT
Fr *131071 k(l) QXXXXXX RT to LT
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F-14D 飞行手册 Flight Manual 1(171)
