Chapter 4 Examining Chromatogram Data

 

 

Figure 4-12 Baseline Offset Dialog Box

4.

Right-click-drag the left baseline to offset. The selected

 

 

value is displayed in the Left Baseline field.

5.

Right-click-drag the right baseline to offset. The selected

 

 

value is displayed in the Right Baseline field.

6.

To limit the baseline offset to the area between the two

 

 

selected points, select Only Apply from L to R Baseline

 

 

Midpoint.

 

 

To perform the baseline offset on the entire x-axis,

 

 

deselect Only Apply from L to R Baseline Midpoint.

 

7.

Click OK.

4

 

The offset baseline trace is displayed with a BO trace

 

label.

 

 

 

8.

To return to the original trace, see “Returning to the

 

 

original trace” on page 4-4.

 

 

 

4-28 Applied Biosystems