Uses applicable test equipment such as multi-meters, oscilloscopes, spectrum analyzers, signal generators, spectrum analyzers, power meters, frequency counters, etc. in the course of inspection, maintenance, troubleshooting, and repair of electronic systems with little oversight from other technicians. Replacing components, wiring circuits, repairing simple electronic equipment; and taking test readings using common instruments such as digital multi-meters, signal generators, semiconductor testers, curve tracers, oscilloscopes, and amplifiers.