An airfield lighting system, comprising: a constant current regulator; a control system that is communicatively coupled to the constant current regulator, wherein the control system is adapted to transmit an operational command signal to control an operation of the constant current regulator; and a plurality of light fixtures; wherein the constant current regulator is adapted to provide a current to a plurality of light fixtures, wherein the constant current regulator is adapted to provide power at a plurality of current levels, wherein the constant current regulator is adapted to output a current level transition sequence (300 or 400) based on the operational command signal received from the control system, and wherein the current level transition sequence (300 or 400) comprises a sequence of changes in a current level between the plurality of current levels within a predefined time period, wherein the plurality of light fixtures is electrically coupled to each other and with the constant current regulator such that the plurality of light fixtures are powered by the constant current regulator, wherein each of the plurality of light fixtures comprises a processor, a heating element, and a light emitting diode, wherein the processor of at least one of the plurality of light fixtures is adapted to receive and detect the current level transition sequence (300 or 400), and wherein the processor of the at least one light fixture is adapted to control an operation of the heating element to generate heat upon detection of the current level transition sequence (300 or 400). a constant current regulator; a control system that is communicatively coupled to the constant current regulator, wherein the control system is adapted to transmit an operational command signal to control an operation of the constant current regulator; and a plurality of light fixtures; wherein the constant current regulator is adapted to provide a current to a plurality of light fixtures, wherein the constant current regulator is adapted to provide power at a plurality of current levels, wherein the constant current regulator is adapted to output a current level transition sequence (300 or 400) based on the operational command signal received from the control system, and wherein the current level transition sequence (300 or 400) comprises a sequence of changes in a current level between the plurality of current levels within a predefined time period, wherein the plurality of light fixtures is electrically coupled to each other and with the constant current regulator such that the plurality of light fixtures are powered by the constant current regulator, wherein each of the plurality of light fixtures comprises a processor, a heating element, and a light emitting diode, wherein the processor of at least one of the plurality of light fixtures is adapted to receive and detect the current level transition sequence (300 or 400), and wherein the processor of the at least one light fixture is adapted to control an operation of the heating element to generate heat upon detection of the current level transition sequence (300 or 400). wherein the constant current regulator is adapted to provide a current to a plurality of light fixtures, wherein the constant current regulator is adapted to provide power at a plurality of current levels, wherein the constant current regulator is adapted to output a current level transition sequence (300 or 400) based on the operational command signal received from the control system, and wherein the current level transition sequence (300 or 400) comprises a sequence of changes in a current level between the plurality of current levels within a predefined time period, wherein the plurality of light fixtures is electrically coupled to each other and with the constant current regulator such that the plurality of light fixtures are powered by the constant current regulator, wherein each of the plurality of light fixtures comprises a processor, a heating element, and a light emitting diode, wherein the processor of at least one of the plurality of light fixtures is adapted to receive and detect the current level transition sequence (300 or 400), and wherein the processor of the at least one light fixture is adapted to control an operation of the heating element to generate heat upon detection of the current level transition sequence (300 or 400).