Control lockout for an electronic apparatus

摘要

An electronic system including a user interface for transmitting an operational parameter control signal in response to manual manipulation of the user interface. A processor is coupled to the user interface and adjusts an operational parameter of the electronic system in response to receiving the operational parameter control signal. An actuatable device is actuated by a user. In response to the user actuation, the actuatable device prevents the processor from adjusting the operational parameter of the electronic system.