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Sound Signalling SD - 01, SD - 02
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Sound signalling is using for pedestrian information of current light color. Sound signalling has 4 - positions of sound emission level. It is equipped to anticollision system it means that if traffic light break-down (red and green lights are switch on at the same time) our sound signal changed on red light signal automaticly.When traffic light doesn't work and its only yellow signal (continuous or interrupt) the sound signalling is switch off too. |
