A vehicle behavior data recording control system is disclosed. The power amplifier circuitry includes one or more input amplifier stages in series with a final amplifier stage. A variable length controller such as a hydraulic cylinder is used to rotate the deck. For example, a pulse-width modulated signal may be used to drive the switching power element, and the output of the switching controller may be adjusted by adjusting the frequency andor duty cycle of the PWM signal. The color patterns represent the color image bit-planes.