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P AX . X The range being used is an automatic solution based on
the selected sight LOS and radar altitude. The letter A
is set in the leftmost RNG-KM thumbwheel on the
ARCS panel. Range displayed is in kilometers.
CPG AX . X The range being used is an automatic solution based on
selected sight LOS and radar altitude. The value 0 is
entered through the DEK RNG data entry to command
the automatic range solution. Range displayed is in
kilometers.
P MX . X A manual range has been entered using the RNG-KM
thumbwheels on the ARCS panel. Range displayed is in
kilometers.
CPG MX . X A manual range has been entered through the DEK
RNG data entry. Range displayed is in kilometers even
if range entered was in meters.
TM 1-1520-238-10
Table 4-17. High Action Display Range and Range Source - continued
Crewmember
CPG
CPG
CPG
CPG
CPG
CPG
P
CPG
P/CPG
Crewmember
P/CPG
Message
WEAPON?
P/CPG RKT FAIL
P CPG MSL
Message
N X . X
*XXXX
*XXXX
X X . X
3.0
0.5
2.0 3.0
0.5
10.0
Description
The fire control system has computed the range to the
target or waypoint indicated in the TGT/NAV indexer.
This range will increase or decrease dynamically with
helicopter ground track. Commanded by placing the
ACQ SEL switch in the TGT or NAV position. The
displayed index storage location must have valid
coordinate data. Range displayed is in kilometers.
Laser range is being used by the CPG. The displayed
laser range will increase or decrease for about 4 seconds
after stopping the laser. The increase or decrease in
range is based on the helicopter ground track
relationship with the object lased. Laser range is in
meters.
First detent, 3 pulse ranging burst.
Second detent, continous ranging.
Second detent, multiple target laser returns (asterisk is
flashing).
CPG range display for any range source above if the
range value is 10.0 KM or more.
This is the pilots default range the fire control system
will use for PLT range in the event no other range is
available.
AWS only.
This is the CPG default range the fire control system
will use for CPG range in the event no other range is
available.
AWS only.
AUTO RNG default range. Indicates selected LOS is
looking higher than 1° below horizontal or altitude is
less than 33 feet AGL.
Table 4-18. High Action Display Weapons Status
Description
The weapons trigger has been pulled without
“actioning” a weapon.
The rocket subsystem has been checked and is in a
NO-GO state.
The CPG has actioned the missile system and has
outprioritized the rocket system action.
Change 4 4-51
TM 1-1520-238-10
Table 4-18. High Action Display Weapons Status - continued
Crewmember
CPG
P/CPG
P/CPG
P/CPG
P/CPG
P/CPG
P/CPG
P/CPG
CPG
P/CPG
P/CPG
P/CPG
P/CPG
P/CPG
CPG
Message
PLT MSL
ROCKETS
RKT-G-S
RKT-F-S
TOF=TT
GUN FAIL
LIMITS
RNDS DDDD
MSL FAIL
INVALID... COMMAND
BIT IN. . . PROGRESS
HANGFIRE
GUNBST?
MSL LNCH
TOF=TT
TOF=TTT
Description
The pilot has actioned the missile system and has
outprioritized the CPG’s rocket system action.
The rocket system has been actioned with neither
crewmember RKT select switch in GND STOW and
airspeed less than 100 KTAS as sensed by the ADSS.
The rocket system has been actioned, but one
crewmember RKT select switch in GND STOW and
airspeed less than 100 KTAS as sensed by the ADSS.
The rocket system has been actioned and the airspeed is
100 KTAS or greater as sensed by the ADSS.
Rockets have been launched. Message indicates time of
flight to rocket impact, in seconds, decrementing.
The gun system has been actioned but has been
detected as NO-GO.
The gun system has been actioned but the weapon has
reached an azimuth or elevation limit.
The gun system has been actioned and the DDDD
indicates the number of rounds remaining and will
count down one unit for each firing PULSE.
The missile system has been actioned but has been
deleted as NO-GO.
The remote Hellfire electronics has detected an
improper command from a crewmember to the Hellfire
missile system. This message is displayed for 2 seconds.
The RHE is performing BIT.
The missile fire signal was sent but umbilical
separation did not occur at the predicted time. This
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阿帕奇攻击直升机操作手册2(10)
