Pioneer Dj DDJ-FLX10 4-Channel DJ Controller for rekordbox and Serato DJ Pro (Black) - Manual (Page 123)

Serato DJ Pro
123
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Monitoring with headphones
This section explains how to play sound from deck 1 (left) as an
example.
1 Set the positions of knobs etc. as shown below.
• [HEADPHONES MIX] knob: Center
• [HEADPHONES LEVEL] knob: Turned fully counterclockwise
2 Press the headphones [CUE] button for channel 1.
3 Turn the [HEADPHONES LEVEL] knob.
Adjust the headphones volume to a level you’re happy with.
Quitting Serato DJ Pro
Click the [x] button.
Turning off the unit
Press the [  ] switch on the unit's rear panel to turn the unit off.