Medicine-technical device e.g. computer, operating device i.e. keyboard, has plate for holding function keys, and perception marker arranged in area of one of keys, where marker is alphanumerically designed in imprinted manner

摘要

The device has a base plate (1) for holding multiple function keys (2), and a perception marker (4) arranged in an area of one of the function keys, where the perception marker is alphanumerically designed in an imprinted manner. The perception marker is designed in a changeable manner by using a control. Two of the function keys are grouped by colored markers (3), where the function keys assigned to two different functionalities are grouped in terms of color.