Zeiss instructions for operating and adjustment ni 3 k. Available to purchase for immediate download. Below is an extract from the manual converted to text for a quick impression on the content. Zeiss instructions for operating and adjustment ni 3 ke ZEISS Instructions for operation and adjustment of Ni 3 KAdjustments: Circular level in relation to vertical axis Line of collimation in relation to tubular level Circular level on rod Mechanical adjustments; Stiffness of azimuth slow-motion screw........... Stiffness of leveling screws Stiffness of tripod hinges Leveling: Contour surveys (elevation, distance, direction)