METHOD, CONTROL UNIT FOR A DEVICE, AND DEVICE PROVIDED WITH A CONTROL UNIT

摘要

A control unit (2) for an automatic device (1) for preparing a beverage is provided with an input means (52) which enables the user to choose from a plurality of formulations a formulation for the beverage to be prepared. The control unit (2) is provided with an operating unit (5) for controlling a preparation unit (6) of the automatic device. The input means comprises an image input means (52; 521, 52r, 52t, 52b) for visually observing the user (9) and for generating image signals (Vxy) which are representative of the visual observation. The operating unit (5) is arranged for generating control signals (Sc) for the preparation unit (6) of the automatic device (1) as a reaction to the image signals (Vxy).