This option allows for prefiltering of intensity data within columns before filtering based on parameters specified on the Delete Rows tab.Note: This option is activated only when the Replace lowest values box is checked.
Make sure that the Replace lowest values box is checked.Tip: To change the scale of the slider, right-click on the slider and select from the pop-up menu. Change the upper or lower boundaries in the window that appears, to rescale the slider and click .