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AlphaTheta DDJ-FLX2 Quickstart Guide

Setup

Licensing & software

This is a Serato DJ Lite hardware unlocked device, meaning it unlocks Serato DJ Lite when connected. 

It is also a paid upgrade to Serato DJ Pro device, meaning it requires the purchase & activation of a Serato DJ Pro license, in order to be used with Serato DJ Pro.

You can try Serato DJ Pro, before making a purchase:

Please ensure you have the latest version of Serato DJ Pro installed:

Drivers & firmware

The AlphaTheta DDJ-FLX2 does not require manufacturer-specific drivers on either Windows or Mac operating systems.

Overview

DDJ-FLX2 - Back & Side.png

# DDJ-FLX2 CONTROL FUNCTION
1 USB Connect USB cable to PC
2 KENSINGTON LOCK Connect Kensington Lock to secure the device
3 MASTER OUTPUT

Connect speakers via a 3.5mm (1/8") jack

Master output volume control

4 HEADPHONE OUTPUT

Connect headphones via a 1/8" audio output

Headphone output volume control

DDJ-FLX2 - Top.png

# DDJ-FLX2 CONTROL FUNCTION

SHIFT

1 JOG WHEEL Turn jog to bend pitch or control waveform within Serato DJ in vinyl mode Fast track waveform scroll
2 CFX

Applies selected Channel FX

SEE CHANNEL FX FOR MORE INFORMATION

When Smart CFX is engaged, turn left or right for High Pass Filter or Low Pass Filter respectively, while the selected Smart FX is applied in increasing amounts. 

Track gain fades out as filter control reaches maximum state, allowing for smooth transitions

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3 EQ  Adjust channel equalizer (HI, MID, LOW) -
4 MASTER CUE Press to cue master channel for monitoring in headphones Engage or disengage Smart CFX
5 CHANNEL CUE Press to cue a channel for monitoring in the headphones

Headphone 1 arms echo Smart CFX (default)  

Headphone 2 arms reverb Smart CFX

6 BEAT SYNC

Press to turn SYNC on (per deck)

Press and hold to disable SYNC (per deck)

Pad Mode Selection

SEE PERFORMANCE PADS SECTION

7 TEMPO SLIDER Adjust tempo/pitch -
8 PERFORMANCE PADS SEE PERFORMANCE PADS SECTION -
9 SMART FADER

Press the Smart Fader button to engage or disengage the desired FX.

Close channel fader, or crossfader, to apply FX in increasing amounts while track gain fades out, allowing for smooth transitions

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10 CROSSFADER Crossfade audio between channels 1-2 -
11 CHANNEL FADER Adjust channel volume -
12 PLAY/PAUSE Toggles Play/Pause on selected deck Stutter play
13 CUE Cues from temp cue point/Set temp cue point Load previous track
14 SHIFT Shift modifier, which can be held while using another control for the secondary SHIFT function

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Performance Pads

The AlphaTheta DDJ-FLX2 has 8 performance pads split across 4 modes.

Hold SHIFT and press the BEAT SYNC button to enter Pad Selection Mode. Once in this mode, press pads 1 - 4 to enter the corresponding pad mode.

DDJ-FLX2 - Pads.png

HOT CUE:

Press PAD 1 in Pad Selection Mode to enter HOT CUE mode.

Pads 1-8 trigger Serato DJ Pro Cue points, and if no Cue point is present on that slot/ pad, pressing that pad will set a Cue point. Holding the SHIFT button while pressing a pad will delete the Cue point from the respective pad/slot.

PAD FX mode:

Press PAD 2 in Pad Selection Mode to enter PAD FX mode.

Pad FX mode allows the user to trigger quick and powerful preconfigured FX in an intuitive manner.

Pads 1-4 can be pressed and held to apply FX, whereas pressing pads 5-8 toggle FX that are applied until the pad is pressed again (toggle).

Pads 1-4 consist of Echo, Flanger, Reverb, and Repeater, while pads 5-8 consist of Echo Out, Backspin, Braker, and Rollout.

AUTO LOOP mode:

Press PAD 3 in Pad Selection Mode to enter AUTO LOOP mode.

Pads 1-8 trigger an autoloop of variable size. The loop selection area in the Serato DJ Pro user interface allows you to influence the 8 available autoloop sizes.

SAMPLER mode:

Press PAD 4 in Pad Selection Mode to enter SAMPLER mode.

Press pads 1-8 in this mode to trigger samples loaded into the Serato DJ Pro Sampler. Holding SHIFT while pressing a Pad will stop a currently playing Sampler slot or load a new sample to the Sampler slot if it is empty.

Beat Jump

To activate Beat Jump, open the Setup screen, navigate to the DJ preferences tab and turn on “Show Beat Jump Controls”.

When you close the Setup screen, you will see Beat Jump controls underneath the existing Auto Loop values on each deck. Checking this box will turn on Beat Jump features in the deck area and let you control Beat Jump from your supported Serato DJ Pro hardware.

When the Beat Jump option is enabled, performance pad modes AUTO LOOP or ROLL mode (where applicable) will use the bottom row of 4 pads (pads 5-8) as Beat Jump controls. This is designed to mirror the change in the deck Auto Loop area (from 8 Auto Loop sizes to 4 Auto Loop sizes + Beat Jump controls).

MIDI

The MIDI feature in Serato DJ Pro allows you to remap Serato DJ Pro software functions to your primary Serato controller, interface or mixer. You can also assign controls to a secondary MIDI controller to further enhance your performance.

For more information on MIDI mapping with Serato DJ Pro, click here.

To remap your supported Serato device, open the SETUP screen and click the MIDI tab. If your Serato device supports hardware remapping, it will appear in the MIDI DEVICES list.

Select your connected device from the MIDI DEVICES list and check the Allow Serato Hardware Remapping option.

Once checked, the MIDI assign button at the top of the main Serato DJ Pro interface will become available for you to start remapping.

You can save, edit or delete MIDI presets in the MIDI tab of the SETUP screen. Clicking Restore Defaults will erase any custom mappings for all connected devices and revert their functions back to default.

Help

Show Tooltips

Click on the Help button in the upper right-hand corner of Serato DJ Pro, then Show Tooltips to enable Tooltips. Tooltips provide a handy way to learn the various features of Serato DJ Pro.

Move the mouse over a section of the software to bring up a context-sensitive tooltip that describes the feature.

Click on the Help button again to turn off Tooltips.

Show Shortcut Keys

Click on the Help button in the upper right-hand corner of Serato DJ Pro, then click Show Shortcut Keys to launch a pop-up window displaying shortcut keyboard combinations.

These shortcuts can help you perform various actions quickly, such as triggering specific deck functions, controlling playback, or navigating the library.

Watch Tutorials

Click on the Help button in the upper right-hand corner of Serato DJ Pro, then Watch Tutorials to launch
your default internet browser and watch tutorials to help you get familiar with Serato DJ Pro.

Get Support

Click on the Help button in the upper right-hand corner of Serato DJ Pro, then Get Support to launch your default internet browser and navigate to the Serato DJ Pro knowledge base, where you can find helpful articles and guides on Serato DJ Pro. Alternatively, type keywords in the Search Help box to search the Serato DJ Pro knowledge base for specific, related topics.