Pioneer Dj DDJ-FLX4 Portable 2-Channel rekordbox DJ and Serato Controller (Graphite) - Manual (Page 27)

Part names and functions
27
En
9 SMART CFX button
Press:
Turns Smart CFX mode on/off.
Turns Sound Color FX on/off.
[SHIFT] + press:
Changes the preset for Smart CFX.
Changes the Sound Color FX type.
10 Headphones CUE buttons (channel)
Press:
Play the sound of the relevant channel through your headphones.
[SHIFT] + press:
Hold the [SHIFT] button and tap the headphones [CUE] button to set the
tempo of the respective deck in time with your tapping. (Tapping function)
11 HEADPHONES MIX knob
Adjusts the monitor volume balance between sounds from the channels which
have the headphones
[CUE] button pressed, and the master channel.
12 HEADPHONES LEVEL knob
Adjusts the level of the headphones sound.
13 SMART FADER button
Turns Smart Fader mode on/off.
Mac/Windows
iOS/Android
Mac/Windows
iOS/Android
Mac/Windows