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The CST/Berger Total Station is a precision instrument. Care must be taken when using this instrument. Please avoid shock or jolts to the instrument as they mayFind a smooth flat level surface like a table with the carpenters level. Double check the carpenters level by turning it 180 degrees and see if it still shows Begin by looking through the device. Note the lines at the bottom and top of the viewing window. · If the user looks through the sight level and see the top line If the telescope bubble is level, the horizontal crosshair will indicate a horizontal or level line of sight. Thus all objects in line with the horizontal To level, all you do is put a mark on a door frame at eye level. Put the center of the level on that mark. Get another person, and sight across