Bio-Rad EXQuest Spot Cutter - Manual (Page 117)

PDQuest User Guide
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If you choose to copy and filter, you will be asked to enter a new name and/or version
number for the new copy before the operation is performed. Once this information
has been entered, the filtering operation will be performed.
3.16 Invert Data
If your image has light spots on a dark background (i.e., the signal intensity
of the background is greater than the signal intensity of the sample), you
will need to use the Invert Data function before you can analyze the image.
Note: The Invert checkbox in the Transform dialog box (section 3.12.b, Other
Transform Features) inverts only the appearance of the image.
To invert your image data, select Image > Invert Data. You may need to use the
Transform function to adjust the appearance of your inverted image.
This command is reversible. Select Invert Data again to revert to the original data.
3.17 Text Overlays
If you want to create and display textual notes directly on your image, select Text
Overlay Tools from the View > Toolbars submenu. This will open the Text Overlay
Tools toolbar.
Fig. 3-24. Text Overlay Tools toolbar.
Select tool
Text tool
Line tool Alignment tools Copy Paste