TM 1–1520–238–T–3
15–20
15–75 SIGNAL NAME:
AND L1 CHAR 20 19
MEMORY LOCATION: 000606
MEMORY DATA BIT(S):
4–19
(ASCII)
CONDITION:
Refer to Table 15–1 for ASCII code conversions.
SIGNAL FUNCTION:
Converts 16–bit word to characters 19 and 20 on line 1.
REMARKS: From FCC through CPG MRTU Type III to AND.
PASS:
If ASCII conversion results correspond to display on HOD, go to paragraph 15–76.
FAIL: Location of fault: AND, wiring from AND to CPG MRTU Type III, CPG MRTU Type III.
Troubleshoot wiring to isolate fault (TM 1–1270–476–T).
15–76 SIGNAL NAME:
AND L1 CHAR 22 21
MEMORY LOCATION: 000605
MEMORY DATA BIT(S):
4–19
(ASCII)
CONDITION:
Refer to Table 15–1 for ASCII code conversions.
SIGNAL FUNCTION:
Converts 16–bit word to characters 21 and 22 on line 1.
REMARKS: From FCC through CPG MRTU Type III to AND.
PASS:
If ASCII conversion results correspond to display on HOD, go to paragraph 15–77.
FAIL: Location of fault: AND, wiring from AND to CPG MRTU Type III, CPG MRTU Type III.
Troubleshoot wiring to isolate fault (TM 1–1270–476–T).
15–77 SIGNAL NAME:
AND L1 CHAR 24 23
MEMORY LOCATION: 000604
MEMORY DATA BIT(S):
4–19
(ASCII)
CONDITION:
Refer to Table 15–1 for ASCII code conversions.
SIGNAL FUNCTION:
Converts 16–bit word to characters 23 and 24 on line 1.
REMARKS: From FCC through CPG MRTU Type III to AND.
PASS:
If ASCII conversion results correspond to display on HOD, go to paragraph 15–78.
FAIL: Location of fault: AND, wiring from AND to CPG MRTU Type III, CPG MRTU Type III.
Troubleshoot wiring to isolate fault (TM 1–1270–476–T).
15–78 SIGNAL NAME:
AND L2 CHAR 2 1
MEMORY LOCATION: 000603
MEMORY DATA BIT(S):
4–19
(ASCII)
CONDITION:
Refer to Table 15–1 for ASCII code conversions.
SIGNAL FUNCTION:
Converts 16–bit word to characters 1 and 2 on line 2.
REMARKS: From FCC through CPG MRTU Type III to AND.
PASS:
If ASCII conversion results correspond to display on HOD, go to paragraph 15–79.
FAIL: Location of fault: AND, wiring from AND to CPG MRTU Type III, CPG MRTU Type III.
Troubleshoot wiring to isolate fault (TM 1–1270–476–T).
15–79 SIGNAL NAME:
AND L2 CHAR 4 3
MEMORY LOCATION: 000602
MEMORY DATA BIT(S):
4–19
(ASCII)
CONDITION:
Refer to Table 15–1 for ASCII code conversions.
SIGNAL FUNCTION:
Converts 16–bit word to characters 3 and 4 on line 2.
REMARKS: From FCC through CPG MRTU Type III to AND.
PASS:
If ASCII conversion results correspond to display on HOD, go to paragraph 15–80.
FAIL: Location of fault: AND, wiring from AND to CPG MRTU Type III, CPG MRTU Type III.
Troubleshoot wiring to isolate fault (TM 1–1270–476–T).
