236 BD FACSAria User’s Guide
Increasing threshold
results in decreased Area
signal
Window extension is too low Slightly increase the window
extension to maximize the Area
signal.
NOTICE Increasing the window
extension too much results in
more electronic aborts or high
CVs.
Area measurement off-
scale while the Height
measurement is on scale
Area scaling is too high Decrease area scaling to move the
Area measurement back on scale.
If necessary, adjust area scaling to
make the Area measurement
match the Height measurement.
Cannot delete from
Parameters, Threshold,
Compensation, or Ratio
tab views
Row not selected Select the row using the selection
button.
Data already recorded Create a new tube.
Acquisition Troubleshooting (continued)
Observation Possible Causes Recommended Solutions
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