3
OMNICxi Software Operation
Acquire and Analyze Data
Thermo Scientific
DXRxi User Guide
151
Acquire Spectra at Selected Sample Locations
To compare the spectrum at a specific location to library spectra, you will collect a mosaic,
select a spectrum, and search the displayed spectrum.
To acquire spectra at selected sample locations
1. Select
and use the available tools to locate, zoom and bring the sample into
focus.
2. Click
START Mosaic
to collect a mosaic.
3. Close the sample compartment doors.
4. Click
Live Spectrum mode
.
5. Set
Laser power
greater than 0.
6. Use the
Grab tool
to select a location in the mosaic.
The large red
+
moves to the selected location The spectrum acquired at that location and
the current focal plane is displayed in the spectral pane.
7. Adjust the Acquisition settings as needed to optimize the displayed spectrum.
If the spectrum has a curved baseline, use
in the
Settings
box to correct
it.
8. Use
SEARCH Displayed Spectrum
below the spectral pane to search the spectrum
against the available spectral
Settings for Acquiring Spectra
These settings are used to acquire a spectrum at the current cursor location in the mosaic
pane.
Figure 88.
Live Spectrum mode, standard acquisition settings
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Page 64: ...Safety Information 58 DXRxi User Guide Thermo Scientific Microscope Safety Labels or...
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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...