TM 1–1520–238–T–3
8–314
Change 4
8–1202 SIGNAL NAME:
REMOTE SEEKER AZIMUTH (ACY) REMOTE SKRAZ (ACZ)
MEMORY LOCATION: 001404
MEMORY DATA BIT(S):
4–19
(SCALAR)
CONDITION:
Monitor HOD; memory location response should indicate negative (sixth digit =1) when
the seeker is left and positive (sixth digit=0) when seeker is right.
SIGNAL FUNCTION:
Analog command 2. Provides yaw gimbal commands to selected seekers or
BIT drive commands.
REMARKS: From RHE to launchers.
PASS:
If CONDITION agrees with seeker azimuth, go to paragraph 8–1203.
FAIL: Location of fault: RHE, wiring from RHE to launchers, launcher. Troubleshoot wiring to isolate
fault (TM 9–1427–475–20).
8–1203 SIGNAL NAME:
AUTO SEEKER ELEVATION (ACY) AUTO SKREL CMD (ACZ)
MEMORY LOCATION: 001405
MEMORY DATA BIT(S):
4–19
(SCALAR)
CONDITION:
Monitor HOD; memory location response should indicate negative (sixth digit =1) when
the seeker is down and positive (sixth digit=0) when seeker is up.
SIGNAL FUNCTION:
Analog command 3. Provides yaw gimbal commands to selected seekers, BIT
drive commands or pitch reference commands.
REMARKS: From RHE to launchers.
PASS:
If CONDITION agrees with seeker elevation, go to paragraph 8–1204.
FAIL: Location of fault: RHE, wiring from RHE to launchers, launcher. Troubleshoot wiring to isolate
fault (TM 9–1427–475–20).
8–1204 SIGNAL NAME:
AUTO SEEKER AZIMUTH (ACY) AUTO SKREL CMD (ACZ)
MEMORY LOCATION: 001406
MEMORY DATA BIT(S):
4–19
(SCALAR)
CONDITION:
Monitor HOD; memory location response should indicate negative (sixth digit =1) when
the seeker is left and positive (sixth digit=0) when seeker is right.
SIGNAL FUNCTION:
Analog command 4. Provides yaw gimbal commands to selected seekers or
BIT drive commands.
REMARKS: From RHE to launchers.
PASS:
If CONDITION is met, go to Chapter 15, paragraph 15–220.
FAIL: Location of fault: RHE, wiring from RHE to launchers, launcher. Troubleshoot wiring to isolate
fault (TM 9–1427–475–20).
8–1205 SIGNAL NAME:
LASER ARMED COMMAND (ACY) LRFD ARM IND (ACZ)
MEMORY LOCATION: 001444
MEMORY DATA BIT(S):
15
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates to RHE that TADS laser is armed.
REMARKS: From TADS to RHE.
PASS:
If second digit displayed on HOD is 0 or 1, go to paragraph 8–1206.
FAIL: Location of fault: TADS, wiring from TADS to RHE, RHE. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
