S SHIFTPress this button down to access secondary actions as described in the SHIFT ACTION column1 CROSSFADERBlends audio signal from the decks assigned as left and right sides of the crossfader.2 VOLUMEAdjust the Volume of the Left/Right DeckStarts playback of Left/Right Deck when the fader is moved from the minimum (low) position to a different one and stops to Cue position when moved from any position to the minimum (Fader Start/Stop)3 VU METERSThe LED array indicates the pre-fader Level Output of the Left/Right Decks4 CUESend the pre-fader audio signal of the Left/Right Deck to the Headphones channel (for pre-listening)5 FILTERApply the selected Color FX (Filter by default) to Left/Right Deck. When at center position, the Color FX is not applied. The Color FX can be selected from the VirtualDJ GUI.6 BASSAdjust the Low (Bass) Equalizer Band of the Left/Right Deck7 MIDAdjust the Mid (Middle) Equalizer Band of the Left/Right Deck8 TREBLEAdjust the High (Treble) Equalizer Band of the Left/Right Deck9 LEVELAdjust the pre-fader Level (Gain) of the Left/Right Decks10 LOADLoads the selected track from the Browser to the Left/Right Deck. Double/fast press to clone the track of Left/Right Deck to the other Deck.Unloads the track from the same Left/Right Deck 11 BROWSEScrolls through Folders or Tracks Push to toggle focus between Folders and Songs ListSet focus to Folders list. If focus is in Folders list, expand collapse sub-folders 12 CUE GAINAdjust the Level of the Headphones Output Channel13 CUE MIXSend audio signal from the Master Output to the Headphones channel when in MIX (right) position. Send audio signal from the Decks that have their PFL enabled to the Headphones channel when in CUE (left) position. Blends the above audio signals when in all other positions.14 MIC LEVEL* Adjust the Volume of the Microphone Input (connection at the rear panel)15 MASTERAdjust the Volume of the Master Output
* Note: The Microphone input of the Mixtrack Pro FX is directly routed to the Master Output (hardware) and not part of the USB Audio interface, therefore it cannot be recorded or controlled from VirtualDJ. The MIC level knob is not sending any MIDI message and cannot be mapped to any VirtualDJ action.