Applied Biosystems Data Explorer 4 Series User Manual page 366

Chapter 9 Troubleshooting
Table 9-1 General Troubleshooting—Mariner and Voyager (Continued)
Symptom
M/z range in data files
converted to centroid
does not match m/z range
in original data file
Text annotation from a
previous trace displayed
on current trace
Symptom
"Failed to open
chromatogram data"
9
message displayed when
you open a data file
9-4 Applied Biosystems
Possible Cause
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
Annotation stays in the
view until you delete it,
even if you advance to the
next spectrum
Table 9-2 General Troubleshooting—Mariner Only
Possible Cause
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
Action
No action. Normal
occurrence.
Delete the annotation.
See Section 2.4.9,
Annotating Traces.
Action
Place the .CGM and .SPC
files in the same directory.