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THE OCTOPUS
Figure 1-45.Potentiometer noise check.

Neets Module 19-The Technicians Handbook
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1-132 Figure 1-42.—Octopus schematic diagram (typical). The octopus tests all components for shorts, high resistance, and opens; it checks front-to-back ratios on junction components (transistors and diodes); and it analyzes ICs and reactive components (capacitors and inductors). Figure 1-43 shows some typical oscilloscope displays obtained when the octopus is used. Figures 1-44, 1-45, and 1-46 depict transistor, potentiometer, and combination component displays, respectively. Detailed operating procedures can be found in topic 6 of NEETS, Module 16, Introduction to Test Equipment, and in the Electronic Installation and Maintenance Book (EIMB), Test Methods and Practices, NAVSEA SE000-00-EIM-130. Figure 1-43.—Typical oscilloscope displays for an octopus.






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