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Chapter 5 Examining Spectrum Data
5-16 Applied Biosystems
5
Exporting
calibration
constants
(.CAL file)
The calculated calibration constants can be exported to a
.CAL file for use with other data files. You have two options for
exporting:
• Export the current calibration—Click Export in the
Manual Mass Calibration dialog box to calculate and
export the current calibration constants from the masses
displayed in the Peaks Matched list in the Manual Mass
Calibration dialog box.
NOTE: The calibration constants saved in the .CAL file
are not calculated from the active trace on the screen or
taken from the calibration in the data file. They are
calculated from the listed masses.
• Export a calibration from a previously calibrated data
file—Open an existing data file, then export the
calibration constants in a .CAL file. See “Exporting .BIC,
.MSM, and .CAL files” on page 1-36.
Applying new
constants to
additional files
You can apply calibration constants from a .CAL file to any
data file. To apply the new constants from a mass calibration
file to a different file:
1. Display the spectrum to calibrate.
2. From the Process menu, select Mass Calibration.
3. Select Import Calibration.
NOTE: If you are importing a calibration into a Voyager
data file, see “Importing a calibration” on page 5-25.
4. Select the .CAL file to use, then click Open.
The software displays the calibrated spectrum with an
MC trace label.