An adaptive predictive expert control system for controlling single-input single-output, or multi-variable time-variant processes with known or unknown parameters and with or without time delay, is disclosed. The real-time content may include content captured by the content providing device. The control circuit measures the strength of the reply signal and the activates a first function, such as unlocking a door of the vehicle, when the strength exceeds a first threshold level. The query is a request to receive data related to the chapter. The display brightness is controlled based on the ambient light, and the display panel includes a double swivel permitting re-orientation.