ALERA 260125 1:3 DVD Dual Copy Tower 4x DVD+/-R / 2.4x DVD+RW / 2x DVD-RW / 16x CD-R / 10x CD-RW Copy/Test Copy/Test & Copy - select speed & copy, or test the process beforehand Edit Track - select audio tracks from Audio CDs for custom discs Verify - verify that discs can be read in a DVD/CD-ROM Compare - compares copies to the source after burning