A method and apparatus for managing persistent change operations on user data is disclosed. A plurality of sensors are connected to the lens for producing signals continually representing the present positions of focus, zoom and T-stop setting rings of the lens. Applications for such adsorbents include any process in which contaminants from gas streams can form \u03c0-complexes with the Ag in the zeolite, particularly the removal of CO, ethylene, propylene and the like from air and COH2 from air in prepurifier adsorbers in the production of ultra high purity N2. The comparator samples the data stream and compares the samples to a copy of the alignment pattern. When the number of packets reaches a threshold in each of queues, a collective discarding processing portion collectively discards packets having the high priority. The first UE engages in direct wireless communication on the carrier with a second UE in accordance its second capability partitioning configuration.