TM 1–1520–238–T–3
8–292
Change 4
8–1111 SIGNAL NAME:
LOAL MODE ACTUAL
MEMORY LOCATION: 001341
MEMORY DATA BIT(S):
10–11
(BINARY)
CONDITION:
If fourth digit displayed on HOD is 0, 2, 4, or 6 and third digit is 0, 1, 2, or 3
=LOBL
If fourth digit displayed on HOD is 0, 2, 4, or 6 and third digit is 4, 5, 6, or 7 =DIRECT
If fourth digit displayed on HOD is 1, 3, 5, or 7 and third digit is 0, 1, 2, or 3
=HI
If fourth digit displayed on HOD is 1, 3, 5, or 7 and third digit is 4, 5, 6, or 7
=LO
SIGNAL FUNCTION:
Indicates RHE LOAL mode.
REMARKS: From RHE to FCC.
PASS:
If CONDITION corresponds to selected mode, go to paragraph 8–1112.
FAIL: Location of fault: replace RHE (TM 9–1427–475–20).
8–1112 SIGNAL NAME:
LOAL MODE STATUS (ACY) LOAL MODE CMD REQ (ACZ)
MEMORY LOCATION: 001341
MEMORY DATA BIT(S):
12–13
(BINARY)
CONDITION:
If the third digit displayed on HOD is 4 or 0=LOBL
If the third digit displayed on HOD is 5 or 1=DIRECT
If the third digit displayed on HOD is 6 or 2=HI
If the third digit displayed on HOD is 7 or 3=LO
SIGNAL FUNCTION:
Indicates operators selected LOAL mode.
REMARKS: From RHE to FCC.
PASS:
If CONDITION corresponds to selected mode, go to next failure symptom paragraph.
FAIL: Location of fault: replace RHE (TM 9–1427–475–20).
8–1113 SIGNAL NAME:
CPG MSL MODE SW
MEMORY LOCATION: 000413
MEMORY DATA BIT(S):
8–9
(BINARY)
CONDITION:
If the fourth digit displayed on HOD is 4 or 0=RIPPLE
If the fourth digit displayed on HOD is 5 or 1=NORM
If the fourth digit displayed on HOD is 6 or 2=MANUAL
If the fourth digit displayed on HOD is 7 or 3=STBY
SIGNAL FUNCTION:
Selects RHE mode.
REMARKS: From CPG missile control panel through CPG MRTU Type III to FCC.
PASS:
If CONDITION corresponds to selected mode, go to paragraph 8–1114.
FAIL: Location of fault: CPG missile control panel, wiring from CPG missile control panel to CPG
MRTU Type III, CPG MRTU Type III. Troubleshoot wiring to isolate fault (TM 9–1427–475–20).
