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Cockpit instrument lamp dimmers are specialized DC-DC, AC-DC, or DC-AC converters which provide controlled power to incandescent, EL, or LED instrument and cabin lights. These dimmers are controlled by a command voltage, a programming resistor, a potentiometer, or a combination of these methods to provide controlled and conditioned power to the aircraft lighting loads. In addition to cockpit instrument uses, these lamp controllers can be used for cabin lighting, task lighting, mood lighting, and marker/signal lighting.

U S Army tactical vehicles are equipped with a wide range of electrical and electronic equipment to support a variety of missions. This equipment typically requires AC input power with varying voltage, power and phasing requirements. Presently, separate inverters with different voltage, power, and phase ratings are necessary to power the equipment, which imposes maintenance and support problems during field deployments. Avionic Instruments Inc. has developed a scalable inverter system that operates from 28V vehicular power and provides outputs that can easily be configured for a variety of load requirements.