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The locomotive operation safety and fire monitoring system (model YDVS-6Z) enables the driver to keep abreast of the situation inside and outside the locomotive and to make audio and video records of the locomotive's operating status through multiple cameras installed in the front, rear, inside, roof and hook of the locomotive. Can provide a variety of data download methods, playback of historical audio and video, video images can be overlaid on the monitoring parts, car number, locomotive number, time, kilometer marker, speed and fire alarm information, to achieve fire alarm video linkage.