TM 1–1520–238–T–3
Change 4
15–9
15–24 SIGNAL NAME:
ROLL TO TEU (ACY) ROLL AID (ACZ)
MEMORY LOCATION: 001247
MEMORY DATA BIT(S):
4–16
(SCALAR)
CONDITION:
Monitor HOD; memory location response digits should indicate a positive number for
right roll and negative number for left roll.
SIGNAL FUNCTION:
Indicates roll angle from vertical gyro.
REMARKS: From FCC through LH FAB MRTU Type I to TEU.
PASS:
If CONDITION corresponds to proper angle, go to paragraph 15–25.
FAIL: Location of fault: go to Chapter 6, paragraph 6–18.
15–25 SIGNAL NAME:
ROLL VALID TO TEU (ACY) PITCH AID VALID (ACZ)
MEMORY LOCATION: 001247
MEMORY DATA BIT(S):
19
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates valid roll angle data.
REMARKS: From FCC through LH FAB MRTU Type I to TEU.
PASS:
If first digit on HOD is 1, 3, 5, or 7, go to paragraph 15–26.
FAIL: Location of fault: go to Chapter 6, paragraph 6–18.
15–26 SIGNAL NAME:
TADS SYSTEM STATUS (ACY) TADS CMPTR STAT (ACZ)
MEMORY LOCATION: 001136
MEMORY DATA BIT(S):
4
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Lights TADS indicator on caution/warning panel.
REMARKS: From TEU through LH FAB MRTU Type I to FCC.
PASS:
If sixth digit on HOD is 1, go to Chapter 26, paragraph 26–2.
FAIL: Go to paragraph 15–27.
15–27 SIGNAL NAME:
STATUS WORD
MEMORY LOCATION: 001062
MEMORY DATA BIT(S):
10
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Monitors TADS.
REMARKS: From TADS to LH FAB MRTU Type I.
PASS:
If fourth digit on HOD is 0, 2, 4, or 6, go to paragraph 15–28.
FAIL: Location of fault: go to paragraph 15–32.
15–28 SIGNAL NAME:
STATUS WORD
MEMORY LOCATION: 001261
MEMORY DATA BIT(S):
10
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Monitors TADS.
REMARKS: From TADS to LH FAB MRTU Type I.
PASS:
If fourth digit on HOD is 0, 2, 4, or 6, go to paragraph 15–29.
FAIL: Location of fault: go to paragraph 15–32.
