A method of displaying a user interface for a time shift function and a personal video recorder using the same are provided. A valve member is received in the inner tube and connected to a sleeve which extends from the inner tube and an adjusting member is connected to the sleeve and the outer tube. The identifier is used to create and search entries in a NAT table during translation of the packets. The reflective electrode has a transmission window for exposing a portion of the transparent electrode, wherein the barrier metal layer is comprised of material having an etching rate that is similar to an etching rate of the reflective electrode.