User’s Manual 2-10The Grand TourOptical Disc DriveAn ATAPI interface controller is used for optical disc operation. When thecomputer is accessing an optical disc, an indicator on the system glows.Region codes for BD drive and mediaOptical disc drives and their associated media are manufactured accordingto the specifications of three marketing regions. Region codes can be setfrom WinDVD BD([Region] tab in [Setup] dialogue). When you purchaseBD Video, make sure it matches your drive, otherwise it will not playproperly.Writable discsThis section describes the types of writable CD/DVD/BDs. Check thespecifications of your drive for the type of discs it can write. Refer toChapter 4, Operating Basics.CDs■ CD-R discs can be written only once. The recorded data cannot beerased or changed.Previous Button Skips backwards to the previous track, chapteror digital file. Refer to Chapter 4, OperatingBasics, for details. (Provided with some models)Volume Down Button Decreases the volume of the speakers.Mute Button Press this button to mute/un-mute sound.Play/Pause Button Press this button to begin playing an audio CD, aDVD movie or digital audio file. This button alsoacts as a Pause button. (Provided with somemodels)Next Button Skips forward to the next track, chapter or digitalfile. Refer to Chapter 4, Operating Basics, fordetails. (Provided with some models)Volume Up Button Increases the volume of the speakers.Code RegionA Canada, United States, Japan, Southeast Asia,East AsiaB Europe, Australia, New Zealand, Middle East,AfricaC China, India, Russia