while the unit is stopped and the program indicator will light. Select each track to be
and press 
between selections. Press 
to start the track program. To exit and erase program hold 
for more than 2 seconds while the unit is stopped, open the disc tray, or turn off the power.
and pressing 
will show and option for eliminating the dead space at the end of tracks. This is useful if you are playing a CD continuously and want to eliminate the gaps between songs. The unit will startup with this in the off position. The display will indicate “0 space” when the function is set to eliminate space. Setting this function on one side will affect both sides. This way you can enable the function while CD 1 is playing by using CD 2.
and pressing 
will show options for the amount of time used for relaying between tracks. Options will appear to relay immediately after the track (0), with time added of 1,2,or 3 seconds(1,2,3), or a reduction of 1,2, or 3 seconds 
followed by 
will alternate the jog wheel between free wheel and non free wheel mode during cue operations. The sound during wheel rotation can be adjusted from a smooth “scratch” sound to the tradition “stutter” sound. The display will indicate FREE WHEEL when the “scratch” sound is active. This indication will go away when the style of cue is stutter. 
followed by 
will adjust this option. The display will indicate 30 seconds, 60 seconds, 120 seconds, and 
followed by 
followed by 
at the same time. After this has been done all loop points and stuttering will follow the beat of the music.
CDN-88 specifications
Numark Industries, a renowned name in the DJ equipment industry, has created the CDN-88, an innovative dual CD player that combines modern technology with user-friendly features. Designed for professional DJs and music enthusiasts, the CDN-88 provides exceptional functionality and versatility that meets the demands of today’s fast-paced music environment.One of the key features of the CDN-88 is its dual CD player design, which allows DJs to seamlessly mix tracks from two different CDs. This dual arrangement provides unparalleled flexibility, enabling quick transitions between songs and added depth to live performances. The CDN-88 also supports various formats, including CD, CD-R, and MP3 CDs, catering to different playlists and musical styles.
The CDN-88 is equipped with a highly responsive jog wheel that offers precision control for scratching and track navigation. With its integrated pitch control, DJs can fine-tune the playback speed to achieve perfect blending between tracks. This feature is essential for maintaining a consistent flow during performances, ensuring that mixes sound smooth and professional.
Another standout technology in the CDN-88 is its intuitive display, which showcases vital information such as track time, remaining time, and pitch adjustments. The backlit LCD screen is designed for easy visibility, even in dimly lit environments, allowing DJs to monitor their sessions without interruption.
Also notable is the anti-shock buffer technology, which prevents skips and interruptions from vibrations, maintaining uninterrupted playback during lively performances. This feature instills confidence in DJs, as they can rely on consistent performance without the worry of technical hiccups.
Connectivity is another strong suit of the CDN-88. It offers numerous input and output options, including RCA outputs for direct connection to mixers and sound systems. Additionally, it features headphone outputs for monitoring tracks in advance, ensuring seamless transitions between songs.
Overall, Numark Industries' CDN-88 stands out in the realm of DJ equipment with its blend of functionality, reliability, and innovative technology. For both seasoned professionals and aspiring DJs, the CDN-88 offers a comprehensive solution that enhances live performances and simplifies the mixing process, making it an invaluable asset in any DJ setup.