Operating Manual BaehrTec S2000Page 18/52 English– V101 – Status 07/20154.1.4 Bottom viewFig. 7(41) Housing screwsMust only be unfastened by the manufacturer(42) Ventilation holesPlease ensure that these ventilation holes are never covered.(43) Housing sealAs soon as the housing seal is breached or removed, all guarantee claims shall expire.(44) Rubber feet