An apparatus which collects, processes and distributes driving related information and a method for controlling the apparatus. Left and right light boxes are attached to opposite vertical edges of the sign with a pair of red lights on the \u201cstop\u201d side of the sign and a pair of yellow lights on the \u201cslow\u201d side of the sign. By adapting the power to the current signal environment by autonomously adjusting the bias points, the mean power consumption of the receiver can be greatly reduced. It can also effectively inhibit the activity of herpes simplex virus. Characteristic to the device according to the invention is the fact that there is a specimen cylinder attached to the frame to be rotated mainly with respect to its centre axle. According to the invention, the connecting portion includes means that orientate the individual conductors along the recesses of the connecting portion in such a way that each of the conductors is pushed into the respective recesses and the direction of the conductor changes along the recesses.