TM 1–1520–238–T–3
8–138
Change 4
8–513 SIGNAL NAME:
P2M4 BIT PERFORMED
MEMORY LOCATION: 001350
MEMORY DATA BIT(S):
12
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates to FCC that BIT has been performed.
REMARKS: From RHE to FCC.
PASS:
If third digit on HOD is 2, 3, 6, or 7, go to paragraph 8–514.
FAIL: Location of fault: replace RHE (TM 9–1427–475–20).
8–514 SIGNAL NAME:
P2M4 BIT STATUS (ACY) P2M4 DISPLAY STATUS (ACZ)
MEMORY LOCATION: 001354
MEMORY DATA BIT(S):
4–7
(HEX)
CONDITION:
If sixth digit displayed on HOD is 0 and fifth digit displayed
on HOD is 0=NO MSL
If sixth digit displayed on HOD is 0 and fifth digit displayed
on HOD is 1=SELECTED
If sixth digit displayed on HOD is 0 and fifth digit displayed
on HOD is 2=READY
If sixth digit displayed on HOD is 0 and fifth digit displayed
on HOD is 3=TRACKING
If sixth digit displayed on HOD is 0 and fifth digit displayed
on HOD is 4=BIT NO GO
If sixth digit displayed on HOD is 0 and fifth digit displayed
on HOD is 5=FAILED
If sixth digit displayed on HOD is 0 and fifth digit displayed
on HOD is 7=BATTERY NO GO
If sixth digit displayed on HOD is 1 and fifth digit displayed
on HOD is 0=UNLATCHED
If sixth digit displayed on HOD is 1 and fifth digit displayed
on HOD is 1=MRTU NO GO
If sixth digit displayed on HOD is 1 and fifth digit displayed
on HOD is 4=CODED
If sixth digit displayed on HOD is 1 and fifth digit displayed
on HOD is 7=CAGED
SIGNAL FUNCTION:
Provides missile status display for operator.
REMARKS: From RHE to FCC for display.
PASS:
If CONDITION corresponds to selected message, refer to failure symptom index and next
failure symptom paragraph.
FAIL: Location of fault: RHE, wiring from RHE to left inboard launcher, left inboard launcher.
Troubleshoot wiring to isolate fault (TM 9–1427–475–20).
8–515 SIGNAL NAME:
P2M4 UNLATCH INDICATE
MEMORY LOCATION: 001421
MEMORY DATA BIT(S):
15
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates to RHE missile is unlatched.
REMARKS: From launcher to RHE.
PASS:
If second digit displayed on HOD is 0, 1, 4, or 5, go to paragraph 8–516.
FAIL: Location of fault: left inboard launcher, wiring from left inboard launcher to RHE, RHE.
Troubleshoot wiring to isolate fault (TM 9–1427–475–20).
