After performing OCR, you can compare any part of the recognized text against the corresponding part of the original image, to verify that the text was recognized correctly.
The verifier tool is in the Formatting toolbar. The verifier can also be controlled from the Tools menu. Hover the cursor over a verifier display to obtain the verifier toolbar. Use it as follows:
To turn the Verifier on, click the Verifier tool or press F9. To turn it off, click the Verifier tool again, press F9 again, or press Esc.
A full list of verifier keyboard shortcuts is available in the Online Help.