The system and method provide security and cargo handling personnel a versatile tool to rapidly check cargo for hidden radiological materials, explosives, drugs, and chemical weapons material. The fastening device includes a base, a handle pivotally installed on the base between a slackening position and a fastening position and a latch movably installed on the handle for engagement with the base in the fastening position. The first hinge member extends forwardly in the direction of conveyor travel, and includes a first opening defining a first space extending along an axis transverse to the direction of conveyor travel for receiving a first hinge pin. To increase the sharpness of the X-ray information items to be detected with low losses in the intensity of the emission radiation, the medium can at least partially absorb components, directed both perpendicularly and parallel to the plane of the memory layer, of the emission radiation emitted by the individual particles. A display is included to display the alert.