TM 1–1520–238–T–3
9–9
9–34 SIGNAL NAME:
RH FAB MRTU TYPE I INPUT BIT STATUS
MEMORY LOCATION: 001517
MEMORY DATA BIT(S):
14
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates status of turn–on test of input circuitry.
REMARKS: From RH FAB MRTU Type I to FCC.
PASS:
If second digit on HOD is 7, go to paragraph 9–35.
FAIL: Location of fault: MUX FAB R circuit breaker, wiring from MUX FAB R circuit breaker to RH
FAB MRTU Type I, RH FAB MRTU Type I. Troubleshoot wiring to isolate fault
(TM 9–1230–476–20–2).
9–35 SIGNAL NAME:
RH FAB MRTU TYPE I A/D BIT STATUS
MEMORY LOCATION: 001517
MEMORY DATA BIT(S):
13
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates self–test status of analog to digital converter.
REMARKS: From RH FAB MRTU Type I to FCC.
PASS:
If third digit on HOD is 1, go to paragraph 9–36.
FAIL: Location of fault: MUX FAB R circuit breaker, wiring from MUX FAB R circuit breaker to RH
FAB MRTU Type I, RH FAB MRTU Type I. Troubleshoot wiring to isolate fault
(TM 9–1230–476–20–2).
9–36 SIGNAL NAME:
RH FAB MRTU TYPE I SERIAL DIGITAL ERROR
MEMORY LOCATION: 001517
MEMORY DATA BIT(S):
10
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Monitors integrated helmet and display sight system (IHADSS).
REMARKS: From RH FAB MRTU Type I to FCC.
PASS:
If fourth digit on HOD is 0, go to paragraph 9–37.
FAIL: Location of fault: go to Chapter 7, paragraph 7–3.
9–37 SIGNAL NAME:
RH FAB MRTU TYPE I SERIAL DIGITAL ERROR
MEMORY LOCATION: 001561
MEMORY DATA BIT(S):
10
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Monitors IHADSS.
REMARKS: From RH FAB MRTU Type I to FCC.
PASS:
If fourth digit on HOD is 0, go to paragraph 9–38.
FAIL: Location of fault: go to Chapter 7, paragraph 7–3.
9–38 SIGNAL NAME:
RH FAB MRTU TYPE I SERIAL DIGITAL ERROR
MEMORY LOCATION: 001633
MEMORY DATA BIT(S):
10
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Monitors IHADSS.
REMARKS: From RH FAB MRTU Type I to FCC.
PASS:
If fourth digit on HOD is 0, go to paragraph 9–39.
FAIL: Location of fault: go to Chapter 7, paragraph 7–3.
