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Thermonicolet Omnic Software User's Guide 6.1 (PDF) - Charles E ...

Thermonicolet Omnic Software User's Guide 6.1 (PDF) - Charles E ...

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Click the Print button in the Find Peaks window to print the spectrum and a table<br />

of the labeled peaks below it. The peaks are listed in the table in order of<br />

wavenumber position or Y value (intensity), depending on the order specified in<br />

the Process options (available through Options in the Edit menu).<br />

If the Y-axis is not currently displayed in the window, you can display it by<br />

clicking the Y-Axis button. To remove the Y-axis from the window, click the<br />

button again.<br />

Click the Clipboard button in the Find Peaks window to copy a table of the labeled<br />

peaks to the Windows Clipboard. You can then paste the table into a word<br />

processing or spreadsheet program or other application that can accept text from<br />

the Clipboard.<br />

You can use the annotation tool to edit the text of a peak label after you display<br />

the spectrum in a spectral window. The Annotation parameter in the Display Setup<br />

dialog box must be on to see the labels.<br />

Setting the threshold<br />

The Threshold readout in the lower-left corner of the Find Peaks window shows<br />

the threshold, which is the Y value above which peaks can be found. (For a %<br />

transmittance spectrum, peaks below the threshold will be found.) For example, if<br />

the threshold value is 0.5, peaks in the selected spectral region whose Y value is<br />

greater than or equal to 0.5 will be found and labeled.<br />

The threshold is represented by a horizontal line passing through the pane in the<br />

Find Peaks window (see the example below).<br />

236 Thermo Nicolet

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