CD storage device is disclosed which includes a housing in which a carousel is supported for rotation in the housing. The support framework can be expand from an initial state to a supporting state of increased diameter and has a fixing element at the ends. The legs diverge slightly in the downward direction, and are provided with slots or other features to enhance anchoring of the retainer when the legs are inserted into the ground. A determination is made as to whether a media action is associated with the status information. The security module is declared invalid if the numbers previously memorised are not included in the transmitted numbers.