AB Sciex QTRAP 4500 LC/MS/MS system, Руководство пользователя системы, Страница: 86 / 138

Operating Instructions — Analyze and Process Data
4500 Series of Instruments System User Guide
86 of 138 RUO-IDV-05-0264-A
Generate XWCs
Up to three ranges can be extracted from a DAD spectrum to generate the XWC. For more
information about using the available icons, refer to Table 10-8 .
1. Anywhere in the pane, right-click and then click Extract Wavelengths .
2. Type start and stop values.
3. Click
OK .
The XWC opens in a pane below the DAD spectrum.
Show DAD Data
Like mass spectrometer data, DAD data can be viewed in chromatogram or spectrum form.
1. In the TWC pane, click a point to select a single point in time, or highlight an area of
the spectrum to select a range of time.
2. Click Explore > Show > Show DAD Spectrum .
The DAD spectrum opens in a pane below the TWC. The y-axis shows absorbance
and the x-axis shows wavelength.
Prerequisite Procedure
• Open Data Files on page 77 . Open a data file that contains a DAD spectrum.
Figure 10-5 Extract Wavelengths Dialog
Prerequisite Procedure
• Open Data Files on page 77 . Open a data file containing data acquired with a DAD. The
TWC, which is analogous to a TIC, opens in a pane below the TIC.
Tip! If the pane with the TWC is closed, click a point anywhere in the TWC
to open it again. Click Explore > Show > Show DAD TWC .