Tecnai on-line help manual -- Options - UT Southwestern

<strong>Tecnai</strong> on-line help Options 129Options Software version 29.2.2 History format reportThe history format list the camera and microscope settings at the top. Below that follows a graphdisplaying the CCD to TEM ratio or nominal to measured ratio for STEM images for each magnification.The last calibration is shown with filled red circles, the other calibrations have other symbols (unfilled,change of color and symbol type). A 2% error bar is shown in the top right-hand corner of the graph (notin the picture above). Note that the data of the above example are not real data.The graph allows rapid assessment of the quality of each calibration (measurement consistent withearlier or later calibrations) as well as (any) change in time of calibrations performed.