Chapter 2 Using Chromatogram and Spectrum Windows

 

 

 

5. Set the parameters described below as needed:

 

 

 

 

 

 

Parameter

Description

 

 

 

 

 

 

Scaling Mode

 

 

 

 

 

 

 

 

 

 

 

Display Relative

Autoscales the trace to the largest peak in the selected range.

 

 

 

 

2

 

Base Peak

Autoscales the trace to the base peak in the entire range, not the

 

Relative

selected range. Displays a right-axis label with the base peak

 

 

 

 

 

intensity.

 

 

 

NOTE: To turn off the right axis, select Graphic Options from

 

 

 

the Display menu, click the Graph #1 Setup tab, then deselect

 

 

 

the Show Right Y-Axis check box.

 

 

 

 

 

 

 

 

 

Absolute Value

Sets the trace to the Y Display Range you enter in the Y Display

 

 

 

Range From/To boxes.

 

 

 

 

 

 

Display Min/Max

Sets the trace display to the minimum and maximum Y values.

 

 

 

 

 

 

Minimum Absolute Max Y

 

 

 

 

 

 

Use Limit

Sets the minimum value for Y-axis scaling. Useful to maintain

 

 

 

relative scaling of peaks and to prevent autoscaling noise to full

 

 

 

scale.

 

 

 

 

 

 

Y Display Range

 

 

 

 

 

 

 

From/To

Sets the range for scaling. If Display Relative or Base Peak

 

 

 

Relative is selected, range is in percent.

 

 

 

If Absolute Value is selected, range is in counts.

 

 

 

 

 

 

 

6. Click OK.

2-12 Applied Biosystems