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aircraft
(7)
TM 55-4920-383-13&P
tank units.
Set CAPACITANCE FUNCTION switch (1) to IND TEST-SIM position. Adjust
the FULL control at the rear of the aircraft indicator to obtain the full indication.
Section III. THEORY OF OPERATION
2-11.
Functional Block Diagram Description.
a.
Figure 2-3 is a functional block diagram of the Test Set. Primary power required
for operation is 115 VAC, 400 Hz, which is converted by the Test Set power supply to the
necessary dc voltages required to operate the electronic analog and digital circuits. The
primary power enters the Test Set through connector J1.
Figure 2-3. Test set, functional block diagram
2-21
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