The Spectrum view displays a default number of decimal places that determines the mass precision for m/z values. This default number of decimal places is different for different mass analyzers and depends on the analyzer type that the mass spectrometer used when acquiring data. The numbers of decimal places for different analyzers are as follows:
- FTMS: 4 decimals
- ITMS: 2 decimals
- TQMS: 2 decimals
- SQMS: 1 decimal
- Sector: 4 decimals
- Unrecognized: 2 decimals