TM 1–1520–238–T–3
14–28
14–117 SIGNAL NAME:
PLT DIAMOND AZ
MEMORY LOCATION: 000711
MEMORY DATA BIT(S):
4–12
(SCALAR)
CONDITION:
Displays azimuth aircraft position relative to PNVS LOS on VDU. Monitor HOD;
memory location should indicate negative for left and positive for right.
SIGNAL FUNCTION:
Displays azimuth aircraft position angle relative to PNVS LOS.
REMARKS: From FCC to symbol generator.
PASS:
If CONDITION is met, go to paragraph 14–118.
FAIL: Location of fault: replace FCC (TM 9–1230–476–20–1).
14–118 SIGNAL NAME:
PLT DIAMOND EL
MEMORY LOCATION: 000712
MEMORY DATA BIT(S):
4–12
(SCALAR)
CONDITION:
Displays elevation aircraft position relative to PNVS LOS on VDU. Monitor HOD;
memory location should indicate negative for down and positive for up.
REMARKS: Displays elevation aircraft position angle relative to PNVS LOS.
From FCC to symbol generator.
PASS:
Location of fault if CONDITION is met: replace symbol generator (TM 11–1520–238–23–2).
FAIL: Location of fault: replace FCC (TM 9–1230–476–20–1).
14–119 SIGNAL NAME:
PLT HORIZ CONT
MEMORY LOCATION: 000713
MEMORY DATA BIT(S):
19
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Activates pilot horizon line.
REMARKS: From FCC to symbol generator.
PASS:
If the first digit displayed on HOD is 1, 3, 5, or 7, go to paragraph 14–120.
FAIL: Location of fault: replace FCC (TM 9–1230–476–20–1).
14–120 SIGNAL NAME:
PLT HORIZ ROLL
MEMORY LOCATION: 000713
MEMORY DATA BIT(S):
4–15
(SCALAR)
CONDITION:
Displays aircraft horizontal roll on VDU. Monitor HOD; memory location should indicate
negative for left and positive for right.
SIGNAL FUNCTION:
Displays aircraft roll relative to PNVS LOS.
REMARKS: From FCC to symbol generator.
PASS:
If CONDITION is met, go to paragraph 14–121.
FAIL: Location of fault: replace FCC (TM 9–1230–476–20–1).
14–121 SIGNAL NAME:
PLT HORIZ PITCH
MEMORY LOCATION: 000714
MEMORY DATA BIT(S):
4–12
(SCALAR)
CONDITION:
Displays aircraft pitch on VDU. Monitor HOD; memory location should indicate negative
for down and positive for up.
SIGNAL FUNCTION:
Displays aircraft pitch relative to PNVS LOS.
REMARKS: From FCC to symbol generator.
PASS:
Location of fault if CONDITION is met: replace symbol generator (TM 11–1520–238–23–2).
FAIL: Location of fault: replace FCC (TM 9–1230–476–20–1).
