Change Spectrum properties

You can change the appearance of spectra in several ways. The available options depend on the associated instrument. Your settings will be saved specifically for your user.

Settings for all spectrum types

1. Click Spectrum Properties .

2. Select the spectrum you wish to change.

3. Display options:

   • Display gridlines: show or hide gridlines in the spectrum.

Settings for MS spectra from TOF/Q-TOF

1. Click Spectrum Properties .

2. Select the spectrum you wish to change. You can choose all settings individually for MS profile and MS centroid spectra.

3. Display options:

   • Display gridlines: show or hide gridlines in the spectrum.

   • Display extended annotation: show or hide additional info in the spectrum legend.

     Profile and centroid spectra are annotated differently:
     Profile: peak area, m/z, FWHM, peak height, resolution, and time (nSec)
     Centroid: m/z and peak height

   • Display peak annotation: show or hide peak annotations in the spectrum (m/z values in MS spectra).

4. Peak annotations:

   • Automatic peak selection: let the system choose which peaks to annotate.

   • Highest peaks: always annotate the n highest peaks. Choose n in the drop-down list.

5. X-axis unit:

   • m/z (default): use m/z value on x-axis.

   • Time (nSec): use Time (nSec) on x-axis.

6. To apply selected properties to both MS profile and MS centroid in one step, select the check box at the bottom.

   Click OK.