A hardware-software complex (PAC) made in the form of a liquid crystal or LED display panel. The hardware part of the PAC is made on the basis of a microcontroller and liquid crystal display or on the basis of a microcontroller and LED indicator panel. The main purpose of the PAC is automatic processing of data on the running time of engines of various machines and units, automatic saving of the obtained data on the running time in the absence of electrical power and the formation of signals displaying the running time in digital form on the screen of the liquid crystal display or LED indicator panel
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