28ARS-2021D/2021DS ManualLCD will show the testing information as follows.Testing- DVD 0%4213.4MB d:20:15When the test comes to an end, LCD will show the results as follows.2.TestOK: 01Stopping the test halfway does not affect the DVD disk, but if the DVD rewriteabledisk contains important data, they may be destroyed.6.3 Test & CopySelect function 3. Put a source DVD onto DVD-ROM and a blank DVD disk ontothe DVD writer.3.Test & CopyPress ENT to start simulation. LCD will show the testing information as follows.Testing- DVD 0%4213.4MB d:20:15Function 3 Test & Copy is to test first and then copy actually.