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Power switching and coolant control |
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|  MIL-T-81783C(AS)
shall be of the pushbutton-activated, momentary type, with the pushbutton
finished in red. The front panel area around the pushbutton shall be
marked with alternating black and orange-yellow stripes. The switch shall
be centrally located on the C&D TS in an area which is easily accessible
to the operator during normal operation.
3.2.8
Calibration cycle. Applicable.
Power switching and coolant control. The C&D TS shall provide the
3.2.9
necessary switching to control utility electrical power forms and shall pro-
vide orifices and flow switches for control of utility supplied clean air.
3.2.10
Displays. The C&D TS displays shall provide an indication of
C&D TS operational and test status.
Performance.
3.3
General. The C&D TS shall provide the capability to test and main-
3.3*1
tain the equipment listed in Table IV.
Not applicable.
Organizational level functional requirements.
3.3.2
Applicable.
3.3.3
Intermediate level functional requirements.
Applicable.
Warm-up time.
3.3.4
3.4
Detailed functional requirements.
Test capabilities. The C&D TS shall provide and control the stimuli,
3.4.1
the power forms, and the loads required to perform functional and diagnostic
testing of the weapon replaceable assemblies (WRAs) listed in Table IV. Test
capabilities provided by the C&D TS shall be as follows.
Filter-Multiplexer F-1331( )/AWG-9. The C&D TS shall provide the
3.4.1.1
capability to perform the following tests on the filter-multiplexer assembly:
a. Built-in-test (BIT) power fault. With power applied, measure BIT
power fault signal while monitoring the regulated voltage levels on the test
access provided.
b. Sub band amplifier response. Apply proper enabling signals along
with a radio frequency (RF) signal and measure intermediate frequency (IF)
amplitude at the test access lines, Adjust RF signal frequency to various
points along the amplifier pass band and repeat measurement.
c. Local oscillator frequencies. Apply enabling signals and RF input.
Mix RF input and sub band IF together and count the difference or local
oscillator (LO) frequency. Change selection logic inputs to check other
LO frequencies.
-8-
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