Agilent 1260 Infinity DAD and MWD User Manual 113
Using the Detector
5
Special Settings of the Detector
Margin for Negative Absorbance Settings
1 To change the settings select Setup Detector Signals.
2 In the section Margin for Negative Absorbance change the value according
to your needs.
Optimizing the Detector
Additional theoretical information can be found in chapter “How to optimize
the Detector” on page 115.
Use this field to modify the detector’s signal handling to increase
the margin for negative absorbance. Use this option if, for example,
your solvent gradient produces a decreasing baseline absorbance,
and for GPC analyses.
Limits: 100 to 4000 mAU.
Figure 49 Margin for Negative Absorbance
NOTE
The higher the value the greater the baseline noise. Set this value only if you expect
negative absorbance greater than -100 mAU.
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