erial opyright anagement ystem. It's a copyright protection system for digital audio. SCMS data is found on CD's, DAT's, MD's, DCC's - any digital audio format. SCMS can be three settings: 00 (unlimited copy), 11 (one copy allowed), or 10 (copy prohibited). This applies only to digital copies, and is usually only heeded with consumer and some semi-pro machines.