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DM 1835X
2 Channel Mixing
After you feel comfortable syncing up the Beatkeeper,
you're ready to mix. Mixing with the Beatkeeper
has three parts: syncing to the music (which
you've done), aligning the tempos, and aligning
the beats. Once these three things are done, you will
have a perfect mix. No more guessing, tapping, or
embarrassing fades.
Choose another music selection and start it on your right
channel. Sync up the first song as described in the last
section. With the first selection synced (Sync Lock LED
illuminated), sync up the right channel the same
way you set up the left.
As the second Sync Lock LED illuminates, a
new dimension of DJing begins: VISUAL
MIXING.
The bar graphs on the top of the Beatkeeper
have now been activated and are updating
automatically.
NOTE: In order to perform a mix which is tracked by the
Beatkeeper, both channels MUST be synced. This is
indicated by the yellow Sync Lock LED being lit for both
inputs.
In order to create the perfect mix, your goal is
to keep both bar graphs as close to centered
(green or yellow) as possible.
First, align the top graph, the Tempo Difference Graph.
This graph indicates how close the two BPMs are to each
other. If they are exactly the same tempo, the green LED in
the middle will light up. If one song is faster than the other,
the bar graph will shift towards the faster song. If the
Tempo Difference graph is not centered, adjust
the speed of one of the inputs using the pitch
control. For example, if the Tempo Difference graph has
a red LED illuminated closer to the right channel of the
Beatkeeper, the right channel is faster than the left
channel, either slow down the right channel, or speed up
the left channel.
If the opposite is true, the Tempo Difference Graph has a
red LED illuminated on the left channel, indicating the song
on the left channel is faster than that the right channel,
either slow down the left channel, or speed up the right
channel.The second step involves the bottom graph, the
Beat Offset Graph. This graph indicates how close the
individual beats are. Both BPMs may be the same but the
beats may not be in sync. This is often described as the
“ping-pong” effect. If the beats are matched, the green
LED in the middle lights up. If the beats of one input are
earlier than beats of the other input, the Beat Offset Graph
will shift toward the song with the earlier beats.
To align the Beat Offset Graph when using CD
Players, adjust the appropriate pitch bend. If
you are using turntables, hold or apply pressure
to the record/turntable and then release to
“shift” the beat.
If the Beat Offset graph is shifted toward the right channel
either use the minus (“-”) pitch bend for the right channel
CD player (with vinyl, apply pressure to slow the turntable)
or use the plus (“+”) pitch bend for the left channel CD
player (with vinyl push the turntable ahead).
Intuitively, if either bar graph is shifted towards a channel,
this indicates that the song on that channel is “ahead” of
the other one. Either the tempo is faster (top graph), or the
beats come sooner (bottom graph).
When both bar graphs are in the green you are
ready to perform your mix!
Don’t forget you can always resync to the beat, if it ever
shifts off, by tapping the Beat Assist button.
If the beats start to drift, you'll be able to easily adjust the
music before your audience can hear it. No other beat
counter or automatic mixer can give you the power to make
a more accurate mix!
NOTE: The Beat Offset bar graph either indicates beat-
to-beat offset, or beat-to-halfbeat offset, whichever is
closer. This allows the DJ the option of mixing on the beat
or on the half beat.
Numark - The Proven Leader in DJ Technology
©1997 Numark Industries 12 http://www.numark.com