Open architecture communication systems and methods are provided that allow flexible data transmission between gaming machines and other devices and nodes within a gaming machine network. In an upper area of the backrest, for reducing undesirable draft phenomena for a seat occupant, at least one air outflow device which has an assigned air outflow nozzle of an air supply device is arranged. A fluid medium is pressed through the gap and the pressure andor the flow rate of the fluid medium isare measured. In addition, the related methods of use minimize andor eliminate damage to the IOL during unpackaging, folding, transfer and loading procedures. Next, the first set of signals is averaged with the second set of signals to produce a source data set. A read operation is conducted based on the system clock signal.