An operation control system for an engine having at least one piston includes an engine control unit which drives a fuel pump for supplying fuel to an injector. A processor includes an encoding application to assemble and encode digitally-stored content into encoded content, and to interleave the encoded content with a signal conveying a live screen representation. The port may include a first opening formed in the sidewall that defines a passageway for medical hardware from the lumen to external to the port. The lifting arm can move the member to clean the wire-like electrode as the collector electrode is moved. In one embodiment, a method is disclosed for performing an integrity check of the NV-RAM and determining whether a critical data error has occurred. The expander includes, a first detection module for detecting a training pattern received from the first device; a second detection module that detects when a first section of the training pattern has been transmitted to the second device; and means for changing the expander’s mode from a training mode to a repeat mode after the first section.