A controlled cooking system that monitors, measures, and controls the internal temperature of foods placed in an oven having a Radio Frequency Identification antenna, a transmitterreceiverinterrogatorreadermicroprocessor module and an RFID tag with built-in temperature sensor. In such a case, the communication right is denied, and otherwise, the communication right is granted. A simple and inexpensive manufacture and assembly of the magazine holder can be achieved if the spring element contains one or more locking elements for engaging into locking grooves of the cartridge magazine in an interlocking fashion. The system also includes provisions that provide customers with locations that are close to or within a ZIP code entered by the customer. The characteristics of the reference marker, such as size, style, position, and color can be changed by performing another pointing operation on the second representation of the reference marker.