A rolling code transmitter is useful in a security system for providing secure encrypted RF transmission comprising an interleaved trinary bit fixed code and rolling code. The drying section includes heated drying cylinders, guidance rolls, and at least one drying wire arranged such that the fibrous material web is guided through the drying section over the heated drying cylinders and the guidance rolls at least predominately by the at least one drying wire. The invention also concerns a device for implementing this method. This structure allows the organic EL display element to prevent the occurrence of unevenness of brightness caused by the film stress of the cathode to solve the problem and makes it possible to give generalities to organic EL display elements of this type. 20 mol per mol of the catalyst of a further activating compound,wherein Y is a substituted carbon or nitrogen atom. The portable maintenance terminal uploads diagnostic results, activity reports, device status indicators, and other data from the peripheral device over the IR links, and downloads software updates and diagnostic routine to the peripheral.