Contents000000-1490-499-GA-GB-0901181ContentsContents .....................................................................................1Notes on the user manual ..........................................................3Purpose and availability of documentation .................................................... 3Questions and comments................................................................................ 3Explanation of symbols used .......................................................................... 4Package check list ......................................................................5Country-specific information and labels .....................................6Classification/Manufacturer's declaration ...................................................... 6Intended Use ................................................................................................... 7Intended user profile....................................................................................... 8Disposal of the product .................................................................................. 9External labels ............................................................................................... 10Performance specifications ......................................................14Functional description................................................................................... 14Service life ..................................................................................................... 15Description of the instrument ..................................................16Installation ...............................................................................20Notes on installation and use ....................................................................... 20Unpacking ..................................................................................................... 21Assembly of the SL 120 Slit Lamp ................................................................ 22Electrical connection ..................................................................................... 24Power supply unit ..................................................................................................... 24Daily use ...................................................................................25Switching on ................................................................................................. 25Operation of the instrument ....................................................26Preparations .................................................................................................. 28Slit lamp .................................................................................................................... 28Setting the slit brightness ......................................................................................... 29Positioning the patient.............................................................................................. 29General notes on instrument operation .................................................................... 29Adjusting the illumination ......................................................................................... 31Tonometry ................................................................................................................ 31Gonioscopy ............................................................................................................... 32