A proxy system may use Layer 3 security mechanisms to establish secure communications between two devices. A right-angle, vertical edge, IO connector mounted in a selected one of the two footprints. An inventory station includes a first location and a second location and the inventory station operable to receive a first inventory item from the first inventory holder at the first location. The stored adjustment parameters can be retrieved from the remanent memory by the operator and supplied again to the recording arrangement so that a further sequence of images can be acquired according to the retrieved adjustment parameters.