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

<strong>Tecnai</strong> on-line help Options 62Options Software version 24.4 Grid scanning displayThe Grid Scanning Display window is a window that is typically located in the data space of the <strong>Tecnai</strong>User Interface. It can either be freely positioned and sized or fixed. The choice between the two is madein the Grid Scanning Control Panel. The display contains two essential elements, the menu and thedisplay itself.The main functionality of Grid Scanning resides in the menu of the display window. A typical sequencefor setting up and executing a Grid Scanning is as follows:• If necessary, check that all options are defined as needed (some options cannot be changed laterunless New grid is select first in the File menu).• Define the grid hole parameters by bringing three special points on a grid hole and its neighbor to thecenter of the screen with the specimen stage during the calibration procedure.• Start moving from gird hole to grid hole, storing locations along the way.• If the data for the grid must be stored for later retrieval with the grid again in the microscope, definethe reference points.• Store and/or print the data for later reference.4.5 The displayThe window will display the a schematic outline of the grid (circle) with the stage axes. The currentlocation of the stage is indicated by a solid square (red in the image below). Grid holes passed andstored locations are also displayed, the grid holes in their proper orientation relative to the stage axes.Stored locations are indicted by their serial number. The colors used for the display are freely userconfigurable.