An adaptive scheduling method, systems and apparatus for streaming data service for either single-carrier channel or multi-carrier channel are provided. The inverters successively and input insert delays into an signal having a series of pulses, each pulse having first and second edges. The user library accepts calls from user application programs for accessing management data and management capabilities incorporated in a running instance of the resource program. The lock is constructed and arranged to move between a closed position with the thread entering the passageway and engaging the threaded rod and an open position with the thread not entering the passageway. The input port enables the selective insertion of various pressure adapter members as indicated where each pressure adapter member can only be inserted within the input port to a desired position, where at that position, the pressure applied to the input port will be directed to the proper pressure sensor.