TM 1–1520–238–T–3
Change 4
8–303
8–1153 SIGNAL NAME:
ACQUAID SLAVE COMMAND (ACY) ACQ AID MODE CMD (ACZ)
MEMORY LOCATION: 001444
MEMORY DATA BIT(S):
12–13
(BINARY)
CONDITION:
If the third digit displayed on HOD is 4 or 0=NONE
If the third digit displayed on HOD is 5 or 1=AUTONOMOUS (LOS SLAVE)
If the third digit displayed on HOD is 6 or 7=REMOTE (LOS SLAVE + BOX
SCAN + OFFSET)
SIGNAL FUNCTION:
Slaves ready missiles to LOS acquisition aid (TADS, IHADSS). When TADS is
acquisition aid, only missiles with same laser code will be slaved.
REMARKS: From acquisition aid to RHE.
PASS:
If CONDITION corresponds to selected acquisition aid, go to paragraph 8–1154.
FAIL: Location of fault: acquisition aid, wiring from acquisition aid to RHE, RHE. Troubleshoot wiring
to isolate fault (TM 9–1427–475–20).
8–1154 SIGNAL NAME:
ACQUAID MODE
MEMORY LOCATION: 001346
MEMORY DATA BIT(S):
12–13
(BINARY)
CONDITION:
If the third digit displayed on HOD is 4 or 0=NONE
If the third digit displayed on HOD is 6 or 7=REMOTE (LOS SLAVE + BOX
SCAN + OFFSET)
SIGNAL FUNCTION:
Indicates ready missiles are slaved to an acquisition aid (TADS, IHADSS,
PNVS).
REMARKS: From RHE to FCC.
PASS:
If third digit on HOD is 3, go to paragraph 8–1164.
FAIL: Location of fault: replace RHE (TM 9–1427–475–20).
8–1155 SIGNAL NAME:
LASER CODE TO RHE
MEMORY LOCATION: 001444
MEMORY DATA BIT(S):
16–18
(OCTAL)
CONDITION:
If the second digit displayed on HOD is 0, 2, 4, or 6 and first digit displayed on
HOD is 0 or 1=H
If the second digit displayed on HOD is 0, 2, 4, or 6 and first digit displayed on
HOD is 2 or 3=G
If the second digit displayed on HOD is 0, 2, 4, or 6 and first digit displayed on
HOD is 4 or 5=F
If the second digit displayed on HOD is 0, 2, 4, or 6 and first digit displayed on
HOD is 6 or 7=E
If the second digit displayed on HOD is 1, 3, 5, or 7 and first digit displayed on
HOD is 0 or 1=D
If the second digit displayed on HOD is 1, 3, 5, or 7 first digit displayed on
HOD is 2 or 3=C
If the second digit displayed on HOD is 1, 3, 5, or 7 first digit displayed on
HOD is 4 or 5=B
If the second digit displayed on HOD is 1, 3, 5, or 7 first digit displayed on
HOD is 6 or 7=A
SIGNAL FUNCTION:
Identifies by code letter TADS designator laser code for autonomous operation.
REMARKS: From TEU to RHE.
PASS:
If CONDITION corresponds to selected code, go to paragraph 8–1156.
FAIL: Location of fault: TEU, wiring from TEU to RHE, RHE. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
