TM 1-1520-238-10
Change 8
4-55
Table 4-20.
Alpha/Numeric Display Message Location and Description continued
Message
Description
IRIS...BORESIGHT
LIMITS
The TADS is at an azimuth or elevation gimbal limit.
PILOT...CONTROLS...
TADS
IMPEND...LASER...
INHIBIT
LASER...INHIBIT
INVALID...PILOTLOS
SLAVE PL
The acquisition select switch is in PLT.
SLAVE TG
The acquisition select switch is in TGT.
SLAVE NV
The acquisition select switch is in NAV.
INVALID...TARGTLOS
There are no valid UTM coordinates in the FCC for the target number selected on the
thumbwheel switch.
INVALID...NAV LOS
SYMBOL G
The symbol generator has been detected as NO-GO.
KBRDFAIL
The data entry keyboard (DEK) has been detected as NO-GO.
TADS TEMP
The TADS has been selected and the turret internal temperature has been detected as
overheating.
TADS NOT . . READY
The TADS has been selected and the turret internal temperature has not reached
operating temperature.
LRFD . . . COOLANT
The TADS LRF/D power is on and the transceiver coolant level has been detected as
low. The LRF/D temperature is above maximum limit.
ENRGY LO
The TADS LRF/D power is on and the output energy level has dropped below a specified
level.
WEAPON STATUS SECTION
WEAPON?
A weapons trigger has been pulled without a weapon selection.
GUN FAIL
TADS FAIL
The selected video is not operational.
RNDSDDDD
RKT FAIL
The rocket subsystem has been checked and is in a NO-GO state; message blinks at a 2
Hz rate.
RKT INV?
/
Rockets have been actioned but the FCC has no rocket inventory. Re-inventory can be
accomplished by cycling the pilots SAFE/ARM switch to OFF, then back to SAFE until the
inventory is complete.