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Chapter 9 Troubleshooting
9-4 Applied Biosystems
9
M/z range in data files
converted to centroid
does not match m/z range
in original data file
M/z range in a data file
that is converted from
profile to centroid is
determined by the peak
detection range set in
Data Explorer, not the m/z
range in the original data
file
No action. Normal
occurrence.
Text annotation from a
previous trace displayed
on current trace
Annotation stays in the
view until you delete it,
even if you advance to the
next spectrum
Delete the annotation.
See Section 2.4.9,
Annotating Traces.
Table 9-1 General Troubleshooting—Mariner and Voyager (Continued)
Symptom Possible Cause Action
Table 9-2 General Troubleshooting—Mariner Only
Symptom Possible Cause Action
“Failed to open
chromatogram data”
message displayed when
you open a data file
You are opening a data
file collected with version
2.1 software and the
.CGM file not located in
the same directory as the
.SPC file
Place the .CGM and .SPC
files in the same directory.