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- Traditional method: is recommended for all scans; it gives an arc parabola but never submerges a complete peak.
- Enhanced method: gives a smooth curve where some peaks may be under the background curve. This could be useful for crystallographic studies. See the EVA manual for greater detail.
Figure 3. Background Highlighted in a Diffractogram and Background Dialog Box in inset
In Data Command Panel, select Tools > Background to open the Background dialog box (Figure 3). Default view is 'Original + Background'. If needed, use the slider on the left to adjust the curvature on background humps. When satisfied, in the drop-down box, select Background subtracted option. Close the text box 
. The background is removed, and the diffractogram is changed to baseline.
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