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DM1635
IMPORTANT INFORMATION...
Please read this entire manual before
connecting the DM1635 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 DM1635 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