Applied Biosystems Data Explorer 4 Series User Manual page 378

Chapter 9 Troubleshooting
Table 9-10 Peak Detection and Labeling Troubleshooting—Mariner and Voyager
Symptom
Peaks are not detected or
labeled
(continued)
When creating a custom
label for a spectrum, you
right-click-drag across a
peak to identify the peak,
and an extracted ion
9
chromatogram is created
instead
9-16 Applied Biosystems
(Continued)
Possible Cause
Analyzing masses above
20,000 Da
%Max Peak Area set too
high
%Base Peak Intensity set
too high
The Chromatogram
window was active when
you selected Peak Label
from the Display menu
Action
Increase Mass Resolution
setting in Peak Detection
Setup. See Section 3.2.2,
Strategy for Voyager Peak
Detection.
Decrease. See
Section 3.2.2, Strategy for
Voyager Peak Detection.
Set to 0. Adjust %Max
Peak Area to optimize
peak detection for Voyager
data. See Section 3.2.2,
Strategy for Voyager Peak
Detection.
Make sure the Spectrum
window is active before
selecting Peak Label from
the Display menu.