Pioneer Dj DDJ-FLX10 4-Channel DJ Controller for rekordbox and Serato DJ Pro (Black) - Manual (Page 25)

Part names and functions
25
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6 QUANTIZE button
Press:
Turns the Quantize function on/off.
Press (during Standby mode):
Cancels Standby mode.
• You can only do this on the left deck.
[SHIFT] + press:
Hold the [SHIFT] button and tap the button to set the tempo of the respective
deck in time with your tapping (Tap feature).
7 SLIP button
Press:
Turns Slip mode on/off.
[SHIFT] + press:
Turns Vinyl mode on/off.
8 JOG FEEL knob
Turn:
Adjusts the load ("weight") applied when you turn the jog wheel.
Turn the knob clockwise to increase the load, or turn it counterclockwise to
decrease the load.
9 BEAT SYNC button
Press:
The tempo (BPM) and beatgrid of multiple decks are automatically
synchronized.
[SHIFT] + press:
Cancels Sync mode.
10 TEMPO slider
Adjusts the playing speed of the track.