(2) MASTER knob: Adjusts the volume of the MASTER output signal for the audience. For more
information, refer to Adjusting Levels.
(3)  QUANT  (Snap)  button:  Allows  you  to  enable/disable  Quantize  mode  and  Snap  mode.  For
more information, refer to Snap Mode and Quantize Mode.
(4)  Master  Level  Meter:  Gives  you  visual  feedback  on  the  current  Master  Output  volume  level.
The blue LEDs indicate the signal below Headroom area, and the Red LED indicates the signal is
clipping. The yellow LEDs indicate  the signal  is currently in the Headroom  area above  0 dB and
below +6 dB before it starts clipping.
(5) BOOTH knob: Adjusts the Volume of the Booth Output Signal for the DJ Monitors. For more
information, refer to Adjusting Levels.
(6) MIXER FX SELECT buttons: Select the MIXER FX to be controlled by the individual MIXER
FX controls in the Mixer channels. For more information, refer to Working with Mixer FX.
(7) MIX  knob: Adjusts the  signal mix between  MASTER Output  Signal and the  CUE Channel in
the headphones. For more information, refer to Using Cue Channel.
(8) VOL knob: Adjusts the level for the CUE  channel. For more information, refer to Using Cue
Channel.
(9) Crossfader: Controls the mix between the Mixer channels’ signals assigned to its left and right
side. At each crossfader’s end, the opposite signals are totally cut. Moving the crossfader gradual-
ly fades in and fades out the relevant audio signal in the master output. At the center position, both
audio  signals  are  fully  audible.  For  more  information,  refer  to  Assigning  Mixer  Channels  to  the
Crossfader.
TRAKTOR KONTROL S4 Overview
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