Lid release Once the centrifuge lid is closed the display shows “rpm/rcf“ and “close“ (8). At the same time the preselected rotor type is indicated, ex.. “nr 96” (11). During the run you can call up the rotor type at any time by pressing the key “lid” (1). By pressing the key “lid“ (1) you can release the lid of centrifuge. As soon as the electronic lid is completely released, it appears the word “open“ (9). Now you can open the lid of the centrifuge. (see photo 12)