Safety instructions Following symbols and keywords are used in this manual: DANGER Keyword DANGER is used to warn about an imminent threat to health. Possible consequences may include death, permanent or prolonged incapacity for work. CAUTION Keyword CAUTION is used to prevent a potentially dangerous situation. Possible consequences may include minor injuries. NOTICE Keyword NOTICE is used for supplement, clarifying, interpretation of the main text and/or clarifying specific aspects of working the device operation. NOTE NOTE indicates helpful tips and recommendations, as well as information for efficient and trouble-free operation. 6