A laboratory analyzer for manually handling a plurality of reagents, comprising a computing device comprising a display for displaying a workflow of a pipetting process comprising a plurality of method steps to an operator, wherein the workflow is a predetermined pattern of instructions to be carried out by an operator of the laboratory analyzer , a pipette for manually pipetting reagents by an operator, the pipette being connected to the computing device , wherein the pipette is an electronic pipette, wherein the pipette is electronically connected to the computing device , a plurality of compartments for receiving a plurality of reagents vessels including reagents to be pipetted by means of the pipette , a camera connected to the computing device , wherein the camera is adapted to acquire data from a vision analysis of at least the plurality of compartments during manually carrying out a pipetting process by the operator according to the workflow, wherein the data acquired by the camera comprises images of at least the plurality of the compartments and the pipette , wherein the data include positions of the pipette , wherein the vision analysis is an analysis method using the camera for optical detection of predetermined regions of the laboratory analyzer , wherein the results of the detection are represented by means of data, wherein the computing device is adapted to compare the data to target data correlated to the plurality of method steps of the workflow, wherein the target data include target positions of the pipette , wherein the target positions are correlated to the plurality of method steps of the workflow, wherein the camera is adapted to acquire the data from the vision analysis at predetermined method steps according to the workflow and within predetermined time periods. a computing device comprising a display for displaying a workflow of a pipetting process comprising a plurality of method steps to an operator, wherein the workflow is a predetermined pattern of instructions to be carried out by an operator of the laboratory analyzer , a pipette for manually pipetting reagents by an operator, the pipette being connected to the computing device , wherein the pipette is an electronic pipette, wherein the pipette is electronically connected to the computing device , a plurality of compartments for receiving a plurality of reagents vessels including reagents to be pipetted by means of the pipette , a camera connected to the computing device , wherein the camera is adapted to acquire data from a vision analysis of at least the plurality of compartments during manually carrying out a pipetting process by the operator according to the workflow, wherein the data acquired by the camera comprises images of at least the plurality of the compartments and the pipette , wherein the data include positions of the pipette , wherein the vision analysis is an analysis method using the camera for optical detection of predetermined regions of the laboratory analyzer , wherein the results of the detection are represented by means of data, wherein the computing device is adapted to compare the data to target data correlated to the plurality of method steps of the workflow, wherein the target data include target positions of the pipette , wherein the target positions are correlated to the plurality of method steps of the workflow, wherein the camera is adapted to acquire the data from the vision analysis at predetermined method steps according to the workflow and within predetermined time periods. <EOS>