User manual SONY CDX-GT21W

[. . . ] The model and serial numbers are located on the bottom of the unit. Record the serial number in the space provided below. Refer to these numbers whenever you call upon your Sony dealer regarding this product. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. [. . . ] ⷠPower antenna (aerial) will extend automatically while the unit is operating. Before playing, clean the discs with a commercially available cleaning cloth. Some CD-Rs/CD-RWs (depending on the equipment used for its recording or the condition of the disc) may not play on this unit. ⷠYou cannot play a CD-R/a CD-RW that is not finalized. On a rainy day or in a very damp area, moisture condensation may occur inside the lenses and display of the unit. Should this occur, the unit will not operate properly. In such a case, remove the disc and wait for about an hour until the moisture has evaporated. Music discs encoded with copyright protection technologies This product is designed to play back discs that conform to the Compact Disc (CD) standard. Recently, various music discs encoded with copyright protection technologies are marketed by some record companies. Please be aware that among those discs, there are some that do not conform to the CD standard and may not be playable by this product. Be careful not to splash juice or other soft drinks onto the unit or discs. To keep a disc clean, do not touch its surface. Keep your discs in their cases or disc magazines when not in use. Do not attach labels, or use discs with sticky ink/ residue. Such discs may stop spinning when used, causing a malfunction, or may ruin the disc. A DualDisc is a two sided disc product which mates DVD recorded material on one side with digital audio material on the other side. However, since the audio material side does not conform to the Compact Disc (CD) standard, playback on this product is not guaranteed. MP3, which stands for MPEG-1 Audio Layer-3, is a music file compression format standard. it compresses audio CD data to approximately 1/10 of its original size. WMA, which stands for Windows Media Audio, is another music file compression format standard. Do not use any discs with labels or stickers attached. The following malfunctions may result from using such discs: ­ Inability to eject a disc (due to a label or sticker peeling off and jamming the eject mechanism). [. . . ] Before going through the checklist below, check the connection and operating procedures. If everything is in order, check the fuse. The power antenna (aerial) does not extend. The power antenna (aerial) does not have a relay box. [. . . ]