TM 11 6625-2440-12
equalization. All connectors, controls, and indicators are
located on the front panel. The control-display unit must
The electronics unit must be interconnected with . he
be interconnected with the electronics unit for use.
control-display unit for use.
1-9. Additional Equipment Required
1-8. Description of Control-Display Unit
(fig. 1-1 1 )
The following chart lists the additional equipment
required when the test set is used for testing the
The control-display unit is housed in an aluminum,
operational status of Platform, Gyro Stabilized MX-
waterproof, combination case which also provides
8123/ASN-86.
storage for the cable assemblies shown in figure 1-10. A
BREATHER VALVE is located at the top of the
combination case to provide two- way pressure
Nomenclature (common name)
Manufacture and model
Purpose
Counter, Electronic Digital Readout
Provides precise frequency measurements
AN/USM-207 (counter).
during tests.
Voltmeter, Electronic ME-202A/U
Monitors ac and dc voltages
(differential voltmeter).
*decade synchro bridge
Gertsch, DSB-5C-4R
Used in conjunction with phase angle
voltmeter to measure the angle of synchro
signals during platform tests.
*Phase Angle Voltmeter ME-223
Measures magnitude and phase of ac
(phase angle voltmeter).
signals during platform test.
Oscilloscope AN/USM-281(w/Plug
Displays test signal waveforms and
In Units P-1186 and PL-1187/
frequency and voltage measurements.
USM-281).
Stopwatch
Monte Carlo, 1002
Times various mode sequences.
*Recorder AN/USM-365(V1)
Provides measurement record of platform
(recorder).
and test set output signals during platform
tests.
Recorder Preamplifier PL--1306( )/U
Provides high-grain dc preamplification for
(2).
the recorder.
Recorder, Preamplifier PL--1305( )/U
Provides medium-gain dc preamplification
(2).
for the recorder.
Recorder, Preamplifier PL--1307( )/U
Provides phase-sensitive demodulation for
(2).
the recorder.
Test Stand, Gyro Stabilizer Plat-
Provides for mounting platform under test
form MT-4145/ASN-86 (test
and for positioning the platform in attitude
stand).
and heading.
*These equipments are used during checkout and troubleshooting of airborne units and are listed here for information
only.
1-3
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