Are you looking for...
How to erase CD-RW
Audio CD Burner support both recordable and rewritable media to create Audio CD. If you don't have a blank CD-R you can use CD-RW disc. It is very convenient for testing of the program. If CD-RW already contains some information then you need to erase it before burning.
Latest version of the program can detect disc type in CD-RW device and start erasing automatically before start burning Audio CD.