6 peak detection and labelingtroubleshooting, Peak detection and labeling troubleshooting, 6 peak detection and labeling troubleshooting – HP Data Explorer 4 Series User Manual

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Peak Detection and Labeling Troubleshooting

Data Explorer

Software User’s Guide

9-15

9

9.6 Peak Detection and

Labeling Troubleshooting

This section includes:

Peak detection and labeling troubleshooting

Charge state and isotope determination troubleshooting

Table 9-10 Peak Detection and Labeling Troubleshooting—Mariner and

Voyager

Symptom

Possible Cause

Action

Peaks are not detected or
labeled

Peaks are very close
together or label is too
long

Zoom in on region of
interest.

Select Allow
overlapping peak
labels
in the Peak
Label dialog box. See
Section 3.5.2, Setting
Chromatogram
and Spectrum Peak
Labels.

Peak detection
parameters, in particular,
Filter Width, not set to
detect peaks

Adjust parameters. See
Section 3.2, Peak
Detection.

Peak filtering is enabled.
Only peaks that meet the
peak list filtering criteria
are labeled.

Disable peak list filtering.
See “Filtering
the spectrum peak list” on
page 3-42.

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