The Run Test feature reads the data on an A-BEX disc and compares it to an image file of the same disc. This test ensures that the copy created is perfect.
- The following requirement must be fulfilled:
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- The image file of the test disc must be saved on the hard drive.
To compare the test disc to the associated image file on the hard drive, proceed as follows:
- 1.
- If there are several optical drives available, select the one you want in the drop-down menu.
- 2.
- Insert an A-BEX disc whose image file is already on the hard drive into the optical drive.
- 3.
- Click Extra > Advanced DAE Quality Test > Error Test > Run Test.
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- The Nero DiscSpeed – Advanced DAE Error Correction Test window opens.
- 4.
- Some optical drives show C2 errors in reverse order. If you want to correct this, enable the Reverse C2 check box.
- 5.
- Click the Start button.
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- The test is run. The graphs and the areas underneath indicate the progress. You can cancel a running test at any time by clicking the Stop button.
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- You can now see the results of the test in the graphs and the relevant displays and save them.
See also
| A-BEX-Disc |
An A-BEX disc is a test DVD that is used to test the error correction of an optical drive. For that purpose, the test DVD already comes delivered with defects such as scratches or fingerprints.
| C2 errors |
A C2 error describes the error rate on the lower layers of a burned CD that are automatically corrected during reading. Every recordable disc features these errors; the fewer they are, the better the quality. High C2 error rates indicate burn problems or quality flaws.