RCA RTD215 User Manual - RTD215 - Page 31

RTD215 EN 6/2/07 3:36 PM Page 33 • Do not record copyright-protected mp3 files. Sound Enhancement Systems "Securized" files are encrypted and code protected to prevent illegal copying. This receiver is equipped with several built-in sound enhancement systems. EN Important: The above recommendations do not guarantee that the unit will play mp3 recordings, or as an assurance of sound quality. Certain technologies and methods for mp3 file recording on CD-Rs prevent optimal playback of these files on your unit (i.e. degraded sound quality and in some cases, inability of the unit to read the file). Dolby Digital Manufactured under license from Dolby Laboratories. "Dolby", "Pro Logic", and the double-D symbol are trademarks of Dolby Laboratories. jpeg files CD-R and CD-RW with jpeg files. Certain jpeg files, including progressive jpeg files, cannot be read by this unit. The total number of files and folders on the disc should be less than 650. Make sure that files have the ".jpg" extension. Files without the ".jpg" extension will not be able to be read by the unit - even though the files are shown as jpeg images on your computer. WMA files CD-R and CD-RW discs containing audio files in WMA (Windows Media Audio) format. Please follow all the recommendations for CD-R above. The Dolby Digital mode lets you enjoy full digital surround from software processed in the Dolby Digital format. Dolby Digital provides better sound quality and a more powerful presence than conventional Dolby Surround. This unit is equipped with Dolby Digital 5.1-channel so that you can enjoy enhanced full digital surround sound. Different from Dolby Pro Logic in that only four channels (Front Left, Front Right, Centre and Rear ) are used, the new system provides stereo separation of the rear speakers (RearRight, Rear-Left ). Adding the to the 5 channels the subwoofer channel for bass sounds (counted as 0.1 channel) results in 5.1 channels (or 6 Channels) that bring you the most sophisticated Dolby Digital sound enjoyment. 25