A system and method for warning a helicopter of an approaching bullet using existing sensor systems is disclosed. A smoothing mechanism is arranged\u2014as seen in the forward direction of travel of the motor vehicle\u2014behind the cutting shaft arrangement and is held in an adjustable manner. In this control, a tracking error signal is produced by a preamplifier. The support system comprises an inner longitudinal arch support, an outer longitudinal arch support, a transverse arch support, a metatarsal arch support, and a toe support for supporting an inner longitudinal arch, an outer longitudinal arch, a transverse arch, a metatarsal arch, and toes of the foot of the wearer respectively. X, then the film is separated from the substrate to obtain an aluminum foil, and the obtained aluminum foil is subjected to a heat treatment. The use of a simple look-up table reduces the implementation complexity, since no complicated calculations must be performed to achieve effective power control.