TM 1–1520–238–T–3
16–7
16–21 SIGNAL NAME:
CPG SIGHT SELECT SW
MEMORY LOCATION: 001074
MEMORY DATA BIT(S):
4–6
(OCTAL)
CONDITION:
If the fifth digit displayed on HOD is 0 or 1=HMD/TADS (Chapter 15, paragraph 15–5)
If the fifth digit displayed on HOD is 2 or 3=TADS (Chapter 15, paragraph 15–5)
If the sixth digit displayed on HOD is 1=NVS (Chapter 10, paragraph 10–6)
If the sixth digit displayed on HOD is 1 and the fifth digit displayed on HOD is
2 or 3 =HMD (Chapter 7, paragraph 7–56)
SIGNAL FUNCTION:
Indicates CPG selected sight sensor.
REMARKS: From CPG flight control panel through left–hand (LH) forward avionics bay (FAB) MRTU
Type I to FCC.
PASS:
If CONDITION displayed on HOD corresponds to CPG SIGHT SEL switch position, refer to
appropriate chapter and paragraph as listed under CONDITION.
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).
16–22 SIGNAL NAME:
CPG ACQ SEL SW
MEMORY LOCATION: 001074
MEMORY DATA BIT(S):
7–9
(OCTAL)
CONDITION:
If the fourth digit displayed on HOD is 0 or 1=PHS
(Chapter 7, paragraph 7–38)
If the fourth digit displayed on HOD is 2 or 3=FXD
(Chapter 10, paragraph 10–30)
If the fourth digit displayed on HOD is 4 or 5=TGT
(Chapter 16, paragraph 16–23)
If the fourth digit displayed on HOD is 6 or 7=NAV
(Chapter 20, paragraph 20–37)
If the fifth digit displayed on HOD is 1, 3, 5, or 7=GHS
(Chapter 7, paragraph 7–56)
If the fifth digit displayed on HOD is 1, 3, 5, or 7 and the fourth digit displayed on HOD
is 2 or 3=MSL SKR (Chapter 8, paragraph 8–10)
If the fifth digit displayed on HOD is 1, 3, 5, or 7 and the fourth digit displayed on HOD
is 4 or 5=TADS (Chapter 15 paragraph 15–6)
SIGNAL FUNCTION:
Enables cueing or slaving to selected CPG line of sight (LOS).
REMARKS: From CPG FCP through LH FAB MRTU Type I to FCC.
PASS:
If CONDITION displayed on HOD corresponds to CPG SIGHT SEL switch position, refer to
appropriate chapter and paragraph as listed under CONDITION.
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).
