It will make sure that you get the best results and the scanned PDF is highlighted. If it still is used make sure that the password has been applied to unlock the document. You need to make sure that the secure PDF is first of all not used in the process. Though no matter how advance the program is you still need the password to unlock the PDF. The fact is that if a PDF is secured then you cannot get the text highlighted. It is another important aspect that should be considered in this regard. If this is not done then be sure that your PDF file is not considering the scanned PDF as text, the real text is important for the program to work and therefore it must be there before highlighting it. Another important thing that can be done in this regard is text selection. Now it is again a myth as good PDF readers make sure that the highlighting is done no matter what. The other major reason is the fact that the PDF that is being highlighted has not been scanned properly. It is for the same reason that the scanning never happens. Scanned PDFs are not regarded as real text by most of the PDF annotators online and offline. Some reasons for which the PDF scanning is required are mentioned as following: There are reasons for which such software programs are developed. Some of these schemes also change the font sizes for easier reading.Why specialized software is required to highlight the scanned PDF. High contrast color schemes make the screen easier to view by heightening screen contrast with alternative color combinations. Click OK to close the Accessibility Options dialog box. Click the Display tab, and then click to clear the Use High Contrast check box.ģ. Click Start, click Control Panel, and then click Accessibility Options.Ģ. If they are, see your product documentation to complete these steps. Note Because there are several versions of Microsoft Windows, the following steps may be different on your computer. To resolve this issue, follow these steps. This issue may occur if the Use High Contrast check box is selected. The colors are only missing on the screen.
Note Print preview and Print still work as expected. However, you may be able to see the changes in print preview and on a printed page.
When you try to change the fill color or the fill pattern in one of the programs listed in the "Applies To" section, the changes that you selected may not be visible. This article was previously published under Q320531 Found this on the net, hopefully it may help:
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