Authorizing discs when child lock is activated, Locking discs that were formerly unlocked, Parental level (dvd-video only) – Yamaha DRX-1 EN User Manual

Authorizing discs when child lock is activated, Locking discs that were formerly unlocked, Parental level (dvd-video only) | Activating/deactivating parental control | Yamaha DRX-1 EN User Manual | Page 42 / 56