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3
OMNICxi Software Operation
Acquire and Analyze Data
126
DXRxi User Guide
Thermo Scientific
Analyze Regions
Create a chemical image of an area of the sample surface by specifying one or more regions to
analyze.
To analyze one or more regions, you will select one or more regions to analyze, acquire a
preview chemical image, adjust acquisition settings, and collect data.
Acquire a Preview Chemical Image
Acquire a preview chemical image to optimize your collection parameters before investing
time in collecting a final chemical image.
Acquiring a preview chemical image requires you to collect a mosaic, adjust the preview box
and collection settings, and collect the preview.
To acquire a preview chemical image
1.
onto the microscope stage.
2.
.
3. Click the
Video
button in the software to select video mode.
4.
Bring the sample into focus and collect a mosaic
or collect a terrain mosaic.
5. Use
Live spectrum mode
to acquire spectra at several locations of the sample in order to
optimize the
settings.
6. Click
Image Regions
.
7. Use the preview box in the mosaic pane to select a region for the preview chemical image.
Center a small region of interest in the preview box. If possible, select a region that is
representative of all the regions you plan to analyze.
Use the
Grab tool
(see
) to position and size the preview box.
• To move the preview box, drag the “+” in the center of the box.
• To resize the preview box, drag an edge.
8. Make sure the sample compartment doors are tightly closed.
9. Click
COLLECT Preview
.
Note
The status bar below the video pane tells you the size of the preview region, the
estimated time required to scan the data and the amount of computer memory
needed to store it. These values update each time you change the boundaries of the
preview box or the
setting to help you evaluate the impact on time
and available memory.
Summary of Contents for DXR xi
Page 12: ...1 Introducing the DXRxi Raman Imaging System Trademarks 6 DXRxi User Guide Thermo Scientific...
Page 14: ...2 DXRxi Microscope Operation 8 DXRxi User Guide Thermo Scientific...
Page 64: ...Safety Information 58 DXRxi User Guide Thermo Scientific Microscope Safety Labels or...
Page 65: ...Safety Information Thermo Scientific DXRxi User Guide 59...
Page 66: ...Safety Information 60 DXRxi User Guide Thermo Scientific...
Page 67: ...Safety Information Thermo Scientific DXRxi User Guide 61...
Page 68: ...Safety Information 62 DXRxi User Guide Thermo Scientific...
Page 166: ...3 OMNICxi Software Operation Acquire and Analyze Data 160 DXRxi User Guide Thermo Scientific...