## [Tools] Menu

### Filter

#### Peaks

##### Peak Filtering

You can search for the peaks in the spectrum of a sample.

1. Select [Tools] in the menu bar and then select [Filter] > [Peaks] from the drop down menu.

   The Filter Peaks dialog appears.

2. Enter the settings.

   Stage

     Specify the MS Stage of the spectrum.

   RT

     Specify the RT range of the spectrum.

   m/z

     Enter the m/z range of the peaks to search for.

   Intensity

     Enter the intensity of the peaks to search for.

   Diff.

     Specify the difference in m/z value when searching for a combination of peaks with a given m/z difference.

   Tol.

     Specify the m/z difference tolerance level.

3. Click [Filter].

   The filtering results appear.