Zeiss operating instructions level ni 22 manual data. Available to purchase for immediate download. Below is an extract from the manual converted to text for a quick impression on the content. Zeiss operating instructions level ni 22 manual dataZEISS Ni 22 Level Instructions for UseSetting up Taking readings Stadia measurement Adjustments Circular level in relation to vertical axis Leveling the line of collimation Circular level on rod Mechanical adjustments Contour leveling Line leveling. Care of instrument Optional accessories