TM 1–1520–238–T–3
8–312
Change 4
8–1192 SIGNAL NAME:
PLT MSL BOX LINE TYPE
MEMORY LOCATION: 000726
MEMORY DATA BIT(S):
18
(BINARY)
CONDITION:
If the first digit displayed on HOD is 0, 1, 3, or 3=DASHED
If the first digit displayed on HOD is 2, 3, 6, or 7=SOLID
SIGNAL FUNCTION:
Indicates when missiles are within constraints (solid).
REMARKS: From FCC to symbol generator.
PASS:
If CONDITION corresponds to correct response, go to paragraph 8–1196.
FAIL: Location of fault: go to Chapter 14, paragraph 14–146.
8–1193 SIGNAL NAME:
PLT MSL BOX EL
MEMORY LOCATION: 000727
MEMORY DATA BIT(S):
4–14
(SCALAR)
CONDITION:
Monitor HOD; memory location response should indicate negative (sixth digit =1) when
box is down and positive (sixth digit=0) when box is up.
SIGNAL FUNCTION:
Issues elevation reference to TADS reticle.
REMARKS: From FCC to symbol generator.
PASS:
If box agrees with CONDITION, go to paragraph 8–1199.
FAIL: Location of fault: go to Chapter 15, paragraph 15–220.
8–1194 SIGNAL NAME:
MSL LAUNCH TO TEU (ACY) MSL LAUNCH IND (ACZ)
MEMORY LOCATION: 001244
MEMORY DATA BIT(S):
16
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates to TADS that a missile has been commanded to launch.
REMARKS: From FCC through LH FAB MRTU Type I to TEU.
PASS:
If second digit displayed on HOD is 1, 3, 5, or 7, go to paragraph 8–1195.
FAIL: Location of fault: LH FAB MRTU Type I, wiring from LH FAB MRTU Type I to TEU, TEU, FCC.
Troubleshoot wiring to isolate fault (TM 9–1427–475–20).
8–1195 SIGNAL NAME:
MISSILE AWAY TO TEU (ACY) MSL AWAY IND (ACZ)
MEMORY LOCATION: 001244
MEMORY DATA BIT(S):
17
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates to TADS that a missile has left a launcher.
REMARKS: From FCC through LH FAB MRTU Type I to TEU.
PASS:
If first digit displayed on HOD is 4 or 5, go to paragraph 8–1197.
FAIL: Location of fault: LH FAB MRTU Type I, wiring from LH FAB MRTU Type I to TEU, TEU, FCC.
Troubleshoot wiring to isolate fault (TM 9–1427–475–20).
8–1196 SIGNAL NAME:
ORT MISSILE WAS SW TO TEU
MEMORY LOCATION: 001252
MEMORY DATA BIT(S):
16
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates that missiles have been actioned.
REMARKS: From FCC through LH FAB MRTU Type I to TEU.
PASS:
If second digit displayed on HOD is 1, 3, 5, or 7, replace TEU (TM 9–1230–476–20–2).
FAIL: Location of fault: LH FAB MRTU Type I, wiring from LH FAB MRTU Type I to TEU, TEU, FCC.
Troubleshoot wiring to isolate fault (TM 9–1427–475–20).
