Aspects describe utilizing a dedicated reference signal for supporting Network MIMO, distributed MIMO, Coordinated MultiPoint, and the like. A flow limiting element along a cryogenic fluid path intermittently interrupts the flow of cooling fluid, often cycling both the fluid flow and treatment temperature. In response to the selection, the method analyzes the image based on a set of criteria. The outer race of a guide bearing is fixed within the lower end of the anchor block. A database is then populated with the information from the first reporting source, the information from the second reporting source and the third reporting source such that information from the first reporting source, the information from the second reporting source and the third reporting source can be collected or accessed from the database. Therefore, the structure of an LCD panel for performing bi-directional image display can be simplified, and the light loss in the transmission mode can be reduced.