Professional Disc Jockey Products
CDN-20S
PROFESSIONAL DUAL CD PLAYER
OPERATING MANUAL
©2000 Industries http://www.numark.com
CDN-20S
Safety Information and Product Registration
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC
SHOCK DO NOT REMOVE ANY COVER. NO USER-
SERVICEABLE PARTS INSIDE. REFER SERVICING
TO QUALIFIED SERVICE PERSONNEL ONLY.
The lightning flash with arrowhead symbol within the
equilateral triangle is intended to alert the user to the
presence of un-insulated “dangerous voltage” within the
product’s enclosure that may be of sufficient magnitude
to constitute a risk of electric shock.
The exclamation point within the equilateral triangle is
intended to alert the user to the presence of important
operating and maintenance (servicing) instructions in the
literature accompanying this appliance.
CAUTION
FOR USA & CANADIAN MODELS ONLY
TO PREVENT ELECTRIC SHOCK DO NOT USE
THIS (POLARIZED) PLUG WITH AN EXTENSION
CORD, RECEPTACLE OR OTHER OUTLET
UNLESS THE BLADES CAN BE FULLY
INSERTED TO PREVENT BLADE EXPOSURE.
SAFETY INSTRUCTIONS
1. Read Instructions - All the safety and operating
instructions should be read before this product is
connected and used.
2. Retain Instructions - The safety and operating
instructions should be kept for future reference.
3. Heed Warnings - All warnings on this product and in
these operating instructions should be followed.
4. Follow Instructions - All operating and other
instructions should be followed.
5. Water and Moisture - This product should be kept
away from
direct
contact with
liquids.
6. Heat - Avoid placing this product to close to any high
heat sources such as radiators.
7. Ventilation - The appliance should be situated so
that it’s location or position does not interfere with
it’s proper ventilation. For example, the appliance
should not be situated on a bed, sofa, rug, or similar
surface that may block the ventilation opening; or,
placed in a builtinstallation, such as
bookcase or cabinet
that may impede the
flow of air through
the ventilation
openings.
8. Power Sources - This product should be connected
to a power supply only of the type described in these
operating instructions, or as marked on the unit.
9. Power Cord Protection - Power supply cords should
be routed so that they are not likely to be walked
upon or pinched by items placed on or against them.
When removing the cord from a power outlet be sure
to remove it by
holding the plug
attachment and
not by pulling on
the cord.
10. Object and Liquid Entry - Take care that objects do
not fall into and that liquids are not spilled into the
inside of the mixer.
11. Cleaning – The appliance should be cleaned only as
recommended by the manufacturer.
12. Non-use Periods – The power cord of the appliance
should be unplugged from the outlet when left
unused for long periods of time.
13. Damage Requiring Service - Only qualified
personnel should service this product. If you have
any questions about
service please contact
Numark at the
number(s) shown on
the back cover of this
manual.
14. Grounding or Polarization - Precautions should be
taken so that the grounding or polarization means
built into the CD player is not defeated.
15. Internal/External Voltage Selectors - Internal or
external voltage selector switches, if any, should
only be reset and re-equipped with a proper plug for
alternative voltage by a qualified service technician.
Do not attempt to alter this yourself.
- The Leader in DJ Technology
©2000 Numark Industries - 2 - http://www.numark.com
WARNING: To reduce the risk of fire or electrical shock,
do not expose this appliance to rain or moisture.
Electrical equipment should NEVER be kept or stored in
damp environments.
DANGER: INVISIBLE LASER RADIATION WHEN
OPEN AND INTERLOCK FAILED OR DEFEATED.
AVOID DIRECT EXPOSURE TO BEAM.
CAUTION: This product utilizes a laser. Use of
controls or adjustments other than those specified
herein may result in hazardous radiation exposure.
SERVICE INSTRUCTIONS
• Disconnect power cord before servicing
• Replace critical components only
with factory parts or recommended
equivalents
• For AC line powered units - Before
returning repaired unit to user, use an
ohmmeter to measure from both AC plug
blades to all exposed metallic parts. The
resistance should be no more than
100,000ohms.
CDN-20S
NOTICE CONCERNING FCC REGULATIONS
This equipment generates and uses radio frequency
energy and may cause interference to radio and
television reception if you do not operate it in strict
accordance with the procedures detailed in this
OPERATING MANUAL.
This unit complies with Class B computing device rules
in accordance with the specifications in Sub-part J or
Part 15 of the FCC Rules, which are designed to provide
reasonable protection against such interference in a
residential installation. There is no guarantee, however,
that interference will not occur in a particular installation.
If the unit does cause interference to any radio or
television reception, try to reduce it by one or more of
the following means:
a) Reposition the other unit and/or its antennae
b) Move this unit
c) Move this unit and the other unit(s) further apart
d) Plug this unit into a different AC outlet so that it is
on a different circuit from the other equipment.
This note is in accordance with Section 15.838 of the
FCC Rules.
This unit does not exceed the Class B limits for
radio noise emission from digital apparatus set out
in the radio interference regulations of the
Canadian Department of Communications.
DOUBLE INSULATED - When servicing use only identical replacement parts
For 220-volt use in USA, use NEMA style 220-volt plug. For other countries use proper plug for local outlet.
LINE VOLTAGE SELECTION
1) The desired voltage may be set with the VOLTAGE SELECTOR switch on the
rear panel of the main unit, using a screw driver.
2) Do not twist the VOLTAGE SELECTOR switch with excessive force as this may
cause damage.
3) If the VOLTAGE SELECTOR switch does not move smoothly contact a qualified serviceman.
Please record the serial number of your unit as shown on the back of the chassis as well as the
name of the dealer from whom you purchased the unit. Retain this information and your original
purchase receipt for your records. Please return the enclosed warranty card to register your CD
player with us.
MODEL: __________________________ PURCHASED FROM:_________________________
SERIAL NUMBER:___________________ DATE OF PURCHASE:________________________
115V
230V
- The Leader in DJ Technology
©2000 Numark Industries - 3 - http://www.numark.com
CDN-20S
®
CDN-20S
PROFESSIONAL DUAL-TRANSPORT
CD PLAYER WITH REMOTE CONTROLLER
CONGRATULATIONS...
You have just purchased a dual CD player designed specifically for the professional DJ. This
unit has been designed to provide CD mixing with the same ease and creativity that you have
enjoyed with records. Please take a few moments to familiarize yourself with the CDN-20S by
reading the following information before attempting to operate the unit.
Once again, congratulations and thank you for making the CDN-20S your choice in
professional CD players.
FEATURES:
• Rubber Play and Cue Buttons
• Relay - Fader Start
• Digital Output
• Accurate Frame search
• Auto dead-space elimination
• +10 tracks skip search
• 20 tracks program play
• ± 12% Pitch adjust with display
• True Continuous Play
• Time Bar Display
• CDR and 8cm single CD compatible
• Loop Button
TABLE OF CONTENTS
Safety and Registration 2
Introduction 4
Set-up Instructions & Connections 5
Description of the Features
Remote Control Unit 6
Display 7
Transport 7
Basic Operation
Play/Pause Cue, and Loop Operations 8
Matching the Tempo 9
Beat Matching Using Pitch Bend 9
Example of Mixing 10
Before Switching off the Power 11
Troubleshooting Guide 11
Specifications 11
Warranty 12
- The Leader in DJ Technology
©2000 Numark Industries - 4 - http://www.numark.com