A vectorable nozzle includes a longitudinally extending upper fixed wall spaced upwardly and aftwardly of a longitudinally extending lower fixed wall and an aftwardly swept fixed ramp extending between the upper and lower fixed walls. The sensors are disposed on the object, distributed in the circumferential direction, and the antenna array has a directional characteristic for transmission andor reception which is stationary with respect to a coordinate system not rotating with the object and which includes only a subregion of the object. The transistor device assures conditions for maintaining a proper BVCER to avoid collector emitter breakdown during operation. The free end is configured to be connected to a second member. The algorithm receives the state of the display, and can optionally receive an ambient lighting value from an ambient light sensor and a user-selectable manual brightness adjustment setting to determine whether luminescence shock avoidance should even be triggered, and if it is triggered, how much should the brightness level of the display be limited.