Skill in the set up and operation of computer controlled automated test equipment (ATE) and test stands, oscilloscopes (dual trace, storage, digitized), spectrum, network and distortion analyzers, frequency counters, and signal generators; in interpreting complex drawings, specifications, and schematics of complete integrated systems to recognize the function and interconnections of components, assemblies, subassemblies, and connecting cable/fiber-optics harness; and in troubleshooting, installing, repairing, and maintaining electronic integrated systems where circuit theory must be used to understand the operation of a large number of circuits and functions, and the interaction of subsystems which create malfunctions. DUTIES: DUTY 1: Removes, installs, modifies, overhauls, maintains, troubleshoots, repairs, aligns, calibrates, and rebuilds multi-system avionics complexes consisting of multiple completely integrated electronic avionics systems where the complex accomplishes a number of major functions.