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 TM 11-6625-667-12/NAVAIR 16-30APM-123-1/TO 33A1-3-367-1
2-4. Connections
The following chart lists the power cables by nomenclature and shows point of origin and destination
for connection between the test set and power source. Use applicable cable for connection to either an
ac or dc power source.
Connects
Test Set
Cable
From test set
Through
To
Ac power source, 50
AN/APM-123(V)1
CX-8330/APM-123(V)1
POWER connector
(Army)
through 400 Hz.
Dc power source.
POWER connector
CX-8331/APM-123 (V)1
POWER connector
Dc power source.
CX-11627/APM-123(V)
AN/APM-123(V)2
POWER connector
Ac power source,
CX-11626/APM-123(V)
(Navy)
60 Hz.
CX-l1628/APM-
Ac power source,
CX-11626/APM-123(V)
POWER connector
400 Hz.
123(V)2
Test Set
POWER source
CX-l1626/APM-
CX-11628/APM-123(V)2
123(V)
Power connector
Dc power source.
POWER connector
AN/APM-123(V)3
CX-11627/APM-123(V)
CX-l1629/APM-
Ac power source,
POWER connector
CX-11626/APM-123(V)
(Air Force)
123(V)3
400 Hz.
Ac power source,
POWER connector
CX-11626/APM-123(V)
60 Hz.
Test Set
CX-l1626/APM-
POWER source
CX-11629/APM-123(V)3
123(V)
Power connector
Section Il. OPERATION
2-5. Operating Controls and Indicators
Function
Control or Indicator
Connects input for 115 volts ac or 28 volts dc operation or turns off the
28VDC-115VAC-ON-OFF power switch
test set.
Action
Sw Pos
Turns off the test set.
OFF
Selects 115 volts ac input and turns the test
115 VAC
set on.
28 VDC
Selects 28 volts dc input and turns the test
set on.
Lights (RED) when the test set is on.
POWER indicator
Starts the test when pressed and stops test when released. The LOCK position
PUSH TO TEST switch
locks the PUSH TO TEST switch in the depressed position.
[n the OFF position, turns off sidelobe suppression. In the ON position, turns
ISLS switch
on sidelobe suppression test.
Select any of the 4,096 codes (0000 through 7777) for reply decoding. CODE
CODE AB-CD controls
AB controls select the first two digits from 00 through 77. CODE CD con-
trols select the last two digits from 00 through 77.
Lights to indicate a malfunction in the interrogation system of mode 4 equip-
CODE ZEROIZE alarm indicator
ment under test.
Action
Sw Pos
FUNCTION switch
Permits test set confidence level check.
SELF TEST
Enables evaluation of overall transponder set op-
SYSTEM
eration, including coder.
Permits evaluation of overall transponder set
FREQ-POWER
operation, excluding the coder. Primarily used
after a system reject indication to establish
whether the coder caused the failure.
2-4
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