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21. FX Deck2/4 Assignment switch
Press to assign corresponding FX to Deck 2.
Hold « Shift» and press to assign corresponding FX
to Deck 4.
22. FX Deck1/3 Assignment switch
Press to assign corresponding FX to Deck 1.
Hold « Shift» and press to assign corresponding FX
to Deck 3.
23. FX ON/OFF switch
Press to turn on/off FX.
Hold « Shift» and press to Select FX.
24. FX Level
Turn to adjust the FX level.
25. FX TAP
Press for tap tempo for the FX.
Hold « Shift» and press to Select FX modes.
26. FX BEATS encoder
Control FX beats.
27. Input/Deck selector
Select the input source:
At PH/LN1 (or PH/LN2 for the right deck) – Primo
act also as a standalone mixer to mix the audio
source connected to the PH/LN RCA inputs.
At Deck1/3 (or Deck 2/4 for the right deck) –
Select the deck in Serato DJ to control.
28. LOAD button
Press to load the track in Serato DJ to the selected
deck.
29. Channel level meter
Display the corresponding channel level signal
30. Master volume
Adjust the volume of the master level signal.
31. Library, Load controls
Library:
Scroll the Library by turning the knob and display
the next level. Hold « Shift» and press for turning to
the previous level.
32. Booth
Adjust the level of the « Booth» output.
33. Sampler Volume
Control sampler volume level in Serato DJ.
34. Channel Trim
Adjust the overall level for the corresponding
channel.
35. Channel EQ
Adjust the equalizer settings for the corresponding
channel.
36. Grid Adjust button
Press to adjust the grid.
Hold « Shift» and press to set.
37. Grid Slide button
Press to slide the grid.
Hold « Shift» and press to clear.
38. Slip button
Press to turn on/off slip mode.
Hold « Shift» and press to change the pitch fader
range.
39. Pitch fader
Control the pitch of the current track.
40. Pitch bend buttons
Press to pitch bend up (+) or down (-) the current
track.
If Serato DJ's Pitch 'n Time is enabled, hold « Shift»
and press to change key.
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