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Open a spec.
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Select Tools > Data Comparison Display Options and set font and color settings for comparison as you require.
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On the Actions menu, select Compare with Revisions to open a dialog with a list of available revisions for the current spec.
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Select a revision and select OK.
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In the dialog that opens, select Yes to preview the report, or No to print the report without previewing.
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If you selected Yes to preview the report, close the preview window to see the specification with the changes indicated.
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The report shows the names of the columns that were changed: Spec Report Value shows the current data, and External Spec Value shows external file data.
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Smart Instrumentation displays your specification with changed fields indicated according to your settings in the Data Comparison Display Options dialog.