Delete a 2D peak

1. Right-click the 2D peak in the Contour Plot 2D, and select Delete peak.

   Alternatively, enable manual integration in Chromatograms ²D, and delete the ²D peak or peaks there.

   The peak region is not highlighted anymore in the Contour Plot 2D. The corresponding ²D peak or peaks are removed from the ²D chromatogram.

   Cut chromatogram and Contour Plot 2D with existing peak:

    

   Cut chromatogram and Contour Plot 2D after deleting the peak:

2. To undo peak deletion, click Undo manual integration step in the same window where you deleted the peak.