TM 1–1520–238–T–3
27–8
Change 5
27–38 SIGNAL NAME:
FREQ TRACKED
MEMORY LOCATION: 002733
MEMORY DATA BIT(S):
6
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates frequency being tracked.
REMARKS: From EGI to FCC.
PASS:
If fifth digit displayed on CDU is 0, 1, 4 or 5, frequency is L1.
If fifth digit is 2, 3, 6 or 7, frequency is L2. Go to paragraph 27–39.
FAIL: Location of fault: Replace EGI (TM 11–1520–238–23–1).
27–39 SIGNAL NAME:
CHANNEL STATE
MEMORY LOCATION: 002733
MEMORY DATA BIT(S):
10–8
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates channel tracking state.
REMARKS: From EGI to FCC.
PASS:
If fourth digit displayed on CDU is 1, 2, 3, 4, 5, 6 or 7, go to paragraph 27–40.
FAIL: Location of fault: Replace EGI (TM 11–1520–238–23–1).
27–40 SIGNAL NAME:
HARDWARE CHANNEL
MEMORY LOCATION: 002733
MEMORY DATA BIT(S):
14–12
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates receiver physical channel.
REMARKS: From EGI to FCC.
PASS:
If second digit displayed on CDU is 4, 5, 6 or 7, or if third digit is 1 or 2, go to paragraph
27–41.
FAIL: Location of fault: Replace EGI (TM 11–1520–238–23–1).
27–41 SIGNAL NAME:
CHANNEL FAULT
MEMORY LOCATION: 002734
MEMORY DATA BIT(S):
4
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates receiver channel 3 status.
REMARKS: From EGI to FCC.
PASS:
If sixth digit displayed on CDU is 0, go to paragraph 27–42.
FAIL: Location of fault: Replace EGI (TM 11–1520–238–23–1).
27–42 SIGNAL NAME:
FREQ TRACKED
MEMORY LOCATION: 002734
MEMORY DATA BIT(S):
6
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates frequency being tracked.
REMARKS: From EGI to FCC.
PASS:
If fifth digit displayed on CDU is 0, 1, 4 or 5, frequency is L1.
If fifth digit is 2, 3, 6 or 7, frequency is L2. Go to paragraph 27–43.
FAIL: Location of fault: Replace EGI (TM 11–1520–238–23–1).
