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Chapter 5 Optimizing Instrument Settings
5-34 PerSeptive Biosystems
5
Save Conditions
(continued)
Save all spectra that pass acceptance criteria
Each spectrum that meets the specified acceptance
criteria is saved in a separate data file. Acquisition is
performed on the same search pattern position* until
Acceptance Criteria fail. The number of .DAT files
created is equal to the number of spectra that pass
acceptance criteria. Acquisition continues until the
Number of Spectra to Acquire have been acquired or
the end of the search pattern is reached. All search
pattern positions may not be analyzed.
NOTE: In this mode, acquisition moves to the next search
pattern position only if acceptance criteria fail.
Example: If Number to Acquire=5, Number of
positions in .SP=7, the number of positions analyzed
and the number of .DAT created is determined by
whether acceptance criteria fail:
If all fail, 7 positions analyzed (total number of positions
in .SP), no .DAT created
If the first position fails, but all remaining pass,
2 positions analyzed, 5 .DAT created
If the first and second positions fail, but all remaining
pass, 3 positions analyzed, 5 .DAT created, and so on
If acceptance criteria never fail, 1 search pattern
position analyzed
* If Use Automated Sample Positioning is disabled, acquisition is performed on the positions you
manually select.
Table 5-10 Automatic Control Parameters—Spectrum Accumulation (Continued)
Parameter Description
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