HP Data Explorer 4 Series Manuel d'utilisateur Page 350

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Chapter 8 Viewing Voyager PSD Data
8-12 Applied Biosystems
8
8.3.2 Calibrating
This section includes:
Calibrating
Matching peaks automatically
Selecting peaks manually
Solving and plotting
Applying new constants to the data file
Selecting calibration peaks for optimum mass accuracy
Calibrating To calibrate a PSD spectrum:
1. Click the Spectrum window to activate it. Select the
spectrum of interest.
NOTE: You cannot calibrate a result spectrum or a
composite spectrum you have accessed from the
Processing History command on the Display menu. For
more information, see Section 2.4.7, Recalling and
Rearranging Traces (Processing History).
2. From the Peaks menu, select Peak Label, then select the
Mass Label Type (peak apex or peak centroid) to use for
calibration. Click OK.
3. From the Process menu, select Mass Calibration, then
select PSD Calibration.
The PSD Processing dialog box is displayed with the
Calibration tab selected (Figure 8-5).
Hint: You can also access this dialog box by selecting
PSD Processing from the Process menu, then clicking
the Calibration tab.
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