icon to change to Select mode. 1. Use the Plate
View window to make a selection of wells to scan. From the Plate View
window, click the Select icon to change to Select mode.
2. With the mouse,
click and drag an outlined region to select a group of wells on the plate.
Click and drag while holding the Shift
key down to extend the selection or to de-select specific wells. You can
use the Undo 
icon to undo one level of changes to the well selection list.
The selected wells are highlighted yellow in the Plate View window.
3. Alternatively, you can click on the row letters or column numbers to select the entire row or column.
Use this method in combination with the Shift key to select multiple rows or columns (or rows and columns).