TM 1–1520–238–T–3
16–10
Change 4
16–28 SIGNAL NAME:
LT CODE SW (ACY) LST CODE SW (ACZ)
MEMORY LOCATION: 001075
MEMORY DATA BIT(S):
7–9
(OCTAL)
CONDITION:
If the fourth digit displayed is 0 or 1=H
If the fourth digit displayed is 2 or 3=G
If the fourth digit displayed is 4 or 5=F
If the fourth digit displayed is 6 or 7=E
If the fifth digit displayed on HOD is 1, 3, 5,or 7 and the fourth digit
displayed is 0 or 1=D
If the fifth digit displayed on HOD is 1, 3, 5, or 7 and the fourth digit
displayed is 2 or 3=C
If the fifth digit displayed on HOD is 1, 3, 5, or 7 and the fourth digit
displayed is 4 or 5=B
If the fifth digit displayed on HOD is 1, 3, 5, or 7 and the fourth digit
displayed is 6 or 7=A
SIGNAL FUNCTION:
Selects alphabetical laser code for laser spot tracker.
REMARKS: From CPG FCP through LH FAB MRTU Type I to FCC.
PASS:
If CONDITION corresponds to selected LT CODE switch position, go to
Chapter 15, 15–191.
FAIL: Location of fault: CPG FCP, wiring from CPG FCP to LH FAB MRTU Type I, LH FAB MRTU
Type I. Troubleshoot wiring to isolate fault (TM 9–1230–476–20–2.
16–29 SIGNAL NAME:
MSL UPPER QTY SW
MEMORY LOCATION: 001075
MEMORY DATA BIT(S):
10, 11
(BINARY)
CONDITION:
If the third digit displayed on HOD is 0, 1, 2, or 3=3
If the third digit displayed on HOD is 4, 5, 6, or 7=2
If the fourth digit displayed on HOD is 1, 3, 5, or 7 and the third digit
displayed on HOD is 0, 1, 2, or 3=1
If the fourth digit displayed on HOD is 1, 3, 5, or 7 and the third digit
displayed on HOD is 4, 5, 6, or 7=0
SIGNAL FUNCTION:
Selects quantity of missiles coded on upper channel.
REMARKS: From CPG FCP through LH FAB MRTU Type I to FCC.
PASS:
If CONDITION corresponds to selected switch quantity, go to Chapter 8, 8–1141.
FAIL: Location of fault: CPG FCP, wiring from CPG FCP to LH FAB MRTU Type I, LH FAB MRTU
Type I. Troubleshoot wiring to isolate fault (TM 9–1230–476–20–2).
16–30 SIGNAL NAME:
CPG SAFE/ARM SW
MEMORY LOCATION: 001075
MEMORY DATA BIT(S):
12, 13
(BINARY)
CONDITION:
If the third digit displayed on HOD is 0 or 4=OFF
If the third digit displayed on HOD is 2 or 6=SAFE
If the third digit displayed on HOD is 3 or 7=ARM
SIGNAL FUNCTION:
Selects weapon system status.
REMARKS: From CPG FCP through LH FAB MRTU Type I to FCC.
PASS:
If CONDITION corresponds to selected switch position, go to 16–36.
FAIL: Location of fault: CPG FCP, wiring from CPG FCP to LH FAB MRTU Type I, LH FAB MRTU
Type I. Troubleshoot wiring to isolate fault (TM 9–1230–476–20–2).
