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DM2000X
IMPORTANT INFORMATION...
Please read this entire manual before
connecting the DM2000X to your system.
For optimum performance:
• Always make sure that AC power is OFF while
making any connections.
• Do not use excessively long cables (i.e. over
50ft/14m) Be sure plugs and jacks are tightly
mated. Loose connections can cause hum, noise or
intermittents that could easily damage your
speakers.
• Never use spray cleaners on the slide controls.
Residues cause excessive dirt build-up and this
will void your warranty. In normal use slide controls
can last for many years. If they malfunction (usually
because of a dirty or dusty environment) consult a
professional technician.
• Never attempt to make any adjustments or repairs
other than those described in this manual. Take the
DM2000X to your dealer or to an authorized
Numark Service Center.
A NOTE ON CABLES:
Make the input and output
connections with readily available
low-capacitance stereo cables.
Quality cable makes a big difference
in audio fidelity and punch. See your
Numark dealer or an electronics or
audio specialist store if you are not
sure which cables to get.
SYSTEM PRECAUTIONS
• Use appropriate cables throughout your system:
Quality shielded audio cables and terminated
shielded video cables, low-capacitance preferred.
Speaker cables must be 14-gauge minimum; 12- or
10-gauge is better.
• Reliability will be enhanced through the use of
banana connectors on the speaker wires. Observe
correct speaker wire polarity. If in doubt, consult
your Numark dealer or a qualified technician.
• Take care to connect only one cable at a time. Pay
attention to the color-coded, labelled Input and
Output jacks.
• ALWAYS remember: “TURN AMPS ON LAST
AND OFF FIRST”. Begin with master faders or
volume controls on minimum and the amplifier
gain/input control(s) down. Wait 8 to 10 seconds
before turning up the volume. This prevents
transients which may cause severe speaker
damage.
• Use restraint when operating controls. Try to
move them slowly. Rapid adjustments could
damage speakers due to amplifier clipping.
• Avoid amplifier “clipping” at all costs: this
occurs when the red LEDs (usually on the front
panel of most professional power amplifiers) start
flashing. “Clipping” is when the power amplifier is
distorting and working beyond it’s limits. Amplifier
distortion is THE major cause of speaker failure.
• To prevent fire or shock hazard, do not expose
the unit to rain or moisture. Never place cans of
beer, soda, glasses of water or anything wet
on top of the mixer!
Numark - The Proven Leader in DJ Technology
©1997 Numark Industries 5 http://www.numark.com