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 highest values box is checked.
Make sure that the Replace highest 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 .