[. . . ] Note: When you are not going to use the unit for one month or more, take the alkaline batteries out of the battery compartment. Be sure to reduce the volume before connecting or disconnecting the headphones. Connect the remote control and headphones, then plug the cord from the remote control or headphones to the PHONES socket. In addition to conventional 12 cm CDs, this unit can be used to play 8 cm CDs without an adaptor. [. . . ] Never use chemicals such as record cleaning sprays, antistatic sprays or fluids, benzene or thinner to clean compact discs. The unit will not play a disc that has been inserted upside down, or discs which do not conform to the Compact Disc standard. This unit can play back the CD-R/RW that has recorded music data or MP3 files. MP3 CD is the disc that standardized by ISO9660, its file name must include 3digits extension letters, "mp3". The directory and file names of the MP3 CD must be corresponded to the ISO standardized files. Some multi-session discs and mixed discs cannot be played back depending on the recording condition. The CD with 99 folders or 300 files and over is not available to this unit. And if CD has a long file name, this unit can't recognize up to 300 files. Music section in "CD Extra" can be played back, not Data section. Music files recorded by "Packet Writing" cannot be played back. Notes on disc writing method When you make MP3 CD by using your PC, set 44. Wait a few seconds, then reinstall the batteries or reconnect the AC adaptor. Hold the disc with the labeled side up and press it onto the pivot until it "clicks" into place. Opening the disc compartment lid must be in stopped condition otherwise could scratch the disc. Elapsed playing time For MP3 CD The music information ("Title", "Artist" and "Album") scrolls. Anti-shock/Anti-Rolling indicator blinks Folder number File(music) number Elapsed playing time The track number and elapsed playing time for the current track are displayed. Skip play To skip to track 6 while track 3 is playing, press the e button repeatedly until "06" appears on the display. To skip back to track 3 while track 6 is playing, press the f button repeatedly until "03" appears. Search (forward/reverse) If the e or f button is pressed during play, the player will search at high speed in the forward or reverse direction while the button is being pressed. Press the MODE button repeatedly during play or in stop mode to select a various play mode available. Each time the button is pressed, the mode changes as shown below: For MP3 CD · Once the desired play mode is displayed, press the i button to begin play in that mode. REPEAT PLAY You can play tracks repeatedly in normal or programmed play modes. [. . . ] REPEAT PLAY You can play tracks repeatedly in normal or programmed play modes. To cancel repeat play, press the MODE button repeatedly until " disappeared. Repeat an album (MP3 CD only) Press the MODE button twice " ALBUM" appears. Repeat All album (MP3 CD only) Press the MODE button three times, " All albums are now repeated. [. . . ]