Manual Calibration

8.Do any of the following:

•Click OK to accept the selected reference mass for matching, then add it to the Peaks Matched list.

•Select a different reference mass, then click OK.

•Type new reference mass information in the Name, Theoretical m/z, Charge, and Elemental Composition text boxes, select the mass type, then click OK to accept the reference mass for matching.

NOTE: You must type a minus sign (–) preceding the charge in the Charge text box for negative charge states.

•Type new reference mass information in the appropriate text boxes, click Save or Save As to add the information to the reference file, then click OK to accept the reference mass for matching.

•Type new reference mass information in the appropriate text boxes, click Update to replace an entry in the reference file, click Save or Save As to add the information to the reference file, then click OK to accept the reference mass for matching.

The Manual Mass Calibration dialog box is displayed again (see Figure 5-2 on page 5-9)with the observed mass and the reference mass you selected displayed in the Peaks Matched list.

Hint: You can sort the list of matches by clicking the

5

 

column header buttons. You can display complete

 

information about a reference mass by double-clicking

 

the mass.

 

 

 

Data Explorer™ Software User’s Guide

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