A network of RF devices is connected to a central processing device and a common network clock. A phosphor layer has a pattern in stripes in the lateral direction of a screen, or in the horizontal direction. The drive-in aid can, for example, generate optically visible guide lines aligned along the direction of travel. Another concept of constant current mode is also proposed in this invention for extending the lifetime of CCIGs that are used for vacuum containing unfriendly gases. The method may still further include generating a set of two-dimensional views of the model, each two-dimensional view from a respective viewpoint, where the set of viewpoints encircles the three-dimensional model. The invention further relates to a method of inhibiting the interaction of a cell bearing mammalian CCR2 with a ligand thereof, and to use of the antibodies and fragments in therapeutic, prophylactic and diagnostic methods.