The Electronics Technician works under limited direction/supervision and is responsible to test, troubleshoot, repair, and modify production of electronic or mechanical products, parts, equipment and systems, such as computer equipment, instrumentation, digital / analog, electronic products, test equipment, electro-mechanical products, applying principles and theories of electronics, electrical circuitry and electronic testing. Calibrate or otherwise adjust assigned units by such means as component selection, potentiometer adjustment, clocking or other positioning, shimming, tension or coil adjustments, bearing and gear adjustments, as appropriate for specific unit; Make required mathematical calculations for voltage, resistance, current, impedance, amplification, flow rate and mass, mechanical dimensions and adjustments.