Zeiss level ni 3 operating instructions 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 level ni 3 operating instructions manual dataLevel Ni 3 Operating InstructionsSetting up Adjustments: Box Bubble to-Vertical Axis Tubular Bubble to Vertical Axis (important for surface Ievellings) Line of Sight to Tubular Bubble (important for all levelling tasks) Box Bubble of StaffMechanical Adjustments: Lateral Tangent Screw Rotary Movement Levelling Screws Tripod Joints Levelling: Surface Levelling (height, distance, direction) Line Levelling