Mobile hand control unit for operating and programming of handling-machines or robot-systems that enables the user to perform the complete control, programming and visualization of manufacturing processes. The design of the HT8 handheld terminal of the product system SINUMERIK aims at - the improved support of the operation - the optimized handling of the device - the homogenous corporate appearance in accordance with other product systems - the optimized integration in the corporate design of Siemens Automation and Drives.