A method for treating premenstrual dysphoric disorder comprises administering a therapeutically effective amount of a gestagen. A special workup technique which includes removing water from the amine before entering the reactor allows product qualities which have hitherto not been attained to be achieved. The mask can then be moved in a sweeping motion across the analytical support to deposit the reagents thereon. The data is then rewritten non-synchronously. The data transfer mode establisher establishes the data transfer mode for the card based on the card assignment information.