The Crossfader
For information on how to re-assign channels to the crossfader, refer to the TRAKTOR software
manual.
 
4.4.2.2 CUE VOL Knob
 
The 
CUE VOL knob adjusts the volume of the headphone output.
The CUE VOL Knob
S5's  high  power  headphone  amps  deliver  enough  volume  even  in  loud  environments.
Please be careful and start with a low setting.
4.4.2.3 CUE MIX Knob
 
The 
CUE MIX knob determines whether you hear the MAIN mix only, the CUE channel only, or
a mix of both signals in your headphones.
Hardware Reference
The Mixer
 
TRAKTOR KONTROL S5 - Manual - 178