A transfer system comprised of an air conveyor, a servo conveyor, and a fan feeder. A motorized driving mechanism mounted inside a housing drives a cutting mechanism mounted outside the housing. , for playout of packetized data transmitted over a network. Each of the hydraulic machines is operable as a pump, pumping fluid to at least one of the accumulators when the vehicle is braking. The method further includes selectively, based on results of the first and second comparisons, outputting the current data block or compressing an extended data block, where the extended data block includes the part of the previous data block and the current data block.