OXI ELECTRONIC INSTRUMENTS One User Manual
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OXI ELECTRONIC INSTRUMENTS One User Manual

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USER GUIDE
V 1.0

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Summary of Contents for OXI ELECTRONIC INSTRUMENTS One

  • Page 1 USER GUIDE V 1.0...
  • Page 2 Information contained in this manual is subject to change without notice and does not represent a commitment on the part of OXI ELECTRONIC INSTRUMENTS SLU, hereby OXI Instruments. The software described in this manual is provided under the terms of a license agreement or non-disclosure agreement.
  • Page 3 WELCOME Thank you for purchasing OXI One. This is the result of a couple musicians in need of a more inspiring sequencer. By supporting us, you are helping to keep this instrument up to date and bring new features for a long period of time and also to develop other instruments and tools that will come soon.

  • Page 4: Please Read Carefully Before Proceeding

    ● specifications) to plug your OXI One to a computer or to charge OXI One’s battery. Use only a 5V supply to power or charge your OXI One. Using the wrong power supply will ● damage your OXI One and it won’t be covered by the product warranty.
  • Page 5 Always turn the power off when the instrument is not in use. ● The OXI One should not be exposed to water (dripping or splashing) and no objects filled with ● liquids, such as vases, should be placed on the apparatus.
  • Page 6 Exploring a new instrument and manual for the first time can be very fun and informative indeed, but take your time! There’s a lot going on in the OXI One and attempting to master every aspect of it should not be the goal right off the bat. Feel free to gloss over this manual in its entirety or jump straight to the chapters that excite you the most.

  • Page 7: Specifications

    SPECIFICATIONS Electrical specifications: 5V DC 1.7A (USB type C supply) Li-Po Battery 2200mAh Radio equipment: Bluetooth 5.0, 2.4GHz, Tx Max: 4 dBm Mechanical specifications: Aluminum chassis & Silicone buttons Dimensions: 36 x 13 x 3 cm Weigth: 890 gr. Operating temperature: 10 ºC to 36 ºC INPUTS AND OUTPUTS ·...
  • Page 8 INDEX ❏ WELCOME ❏ PRECAUTIONS ❏ INTRODUCTION ❏ SPECIFICATIONS ❏ VERY QUICK START ❏ Battery ❏ SIGHT AND TOUCH ❏ Grid ❏ Screen ❏ Sequencers ❏ Encoders ❏ FUNCTION BUTTONS ❏ Transport ❏ Recording Menu ❏ Sync ❏ Pages ❏ Preview ❏...
  • Page 9 ❏ Polyphonic ❏ Harmonizer ❏ MIDI ROUTING ❏ MIDI BLUETOOTH ❏ DESIGN NOTES ❏ MONOME GRID ❏ OXI APP ❏ CALIBRATION ❏ DECLARATION OF CONFORMITY ❏ PRECAUTIONS ❏ TERMS OF WARRANTY...
  • Page 10 Turn ON your OXI One pressing the power button on the left side. You will be in the main view: the Piano Roll or Sequencer layout. To start playing, press the Play button indeed. The transport bar will start moving and loop on the grid.
  • Page 11 4 available sequencer slots. ––––––––––––––––––––– Turn OFF OXI One by holding the power button for at least 2 seconds. It will remember its last state after the next startup: loaded project and configuration. Clock settings won’t be remembered, auto-sync will be implemented in future firmware releases.
  • Page 12 To do so, go to the Division menu by pressing Division. The leftmost encoder then moves the Piano Roll vertically one row at a time, one row being a grade of your scale or a semitone in chromatic. The highlighted rows when scrolling indicate the position of the root note.
  • Page 13 · SEQUENCERS 1-4 Each number selects the displayed sequencer on the grid and the function buttons will show its parameters. MUTE + 1-4 activates/deactivates the specific sequencer for playback. It is possible to activate/deactivate several sequencers at once. SHIFT + Sequencer button (1-4) to access the Sequencer Setup menu. From left to right you can change: Global MIDI channel of the Sequencer (it can be different per track in Multitrack)
  • Page 14 We will be referring from now on as “CW” to clockwise turns and “CCW” to counter clockwise turns of the encoders. In Sequencer view, the parameters each one modify apply to the selected Sequencer (1-4): VELocity (secondary function: Tempo) OCTave (secondary function: Swing)
  • Page 15 It affects all the Sequencers. To modify it, press Shift + turn the 1st encoder. The default tempo value can be modified in the config menu. It only works when the OXI One is in INT (internal) synchronization mode (see Synchronization section).
  • Page 16 Swing Press SHIFT and turn the encoder 2 to modify it. Every sequence has its own Swing value. Since every sequence may have it's different time signature or time division, the swing value must be set carefully according to every sequence in order to get musical results. By pressing SHIFT and the encoder 2 button, Swing is reset to default value, 50.

  • Page 17: Function Buttons

    Shift + MUTE opens the Nudge menu - NOT IMPLEMENTED In Config menu you can choose to enable Rec Listen, this way pressing Rec arms the track and start recording once a note is activated, being in One Keyboard or any MIDI input - NOT IMPLEMENTED...
  • Page 18 - CLK: OXI One follows the clock timing received through the clock input. AUTO: NOT IMPLEMENTED OXI One reads and outputs MIDI clock according to a 24 ppq timing. The analog clock input and output resolutions can be changed on Configuration. When OXI One is synchronized with a DAW in which either...
  • Page 19 · LOAD AND SAVE - Memory access ––––––––––––––––––––– OXI One can store 15 Projects, each Project stores up to 16 Patterns per Sequencer, for a total of 64 patterns per project. Each pattern stores all sequencer data, including its mode (Mono, Chord, etc.), and different patterns for a sequencer can be for different modes.

  • Page 20: Important Notes

    1, row 2 = sequencer 2, etc. · Every slot can store one pattern. The sequencer MODE (Mono, Chord, etc.) is part of the stored data, so different patterns of the same sequencer could be in different modes. The sequencer will automatically change its mode when the pattern is loaded.
  • Page 21 · COPY AND PASTE In OXI One you can copy or paste a Sequencer by holding Copy or Paste and Sequencer buttons (1-4), corresponding to the Sequencer that you want to copy or paste. For Multitrack mode, the active track will be copied or pasted, unless pressing its sequencer button, then it copies all tracks.
  • Page 22 To activate LOOP , hold both Init and End buttons and then press any two steps of two different columns, those will become the looping points (or the same column and different rows to loop 1 single step). For Multitrack mode do the same in two steps of the same track (row). It’ll loop until you press Init and End again.

  • Page 23: Random Generator

    ––––––––––––––––––––– Use expand to quickly increase resolution. ––––––––––––––––––––– The opposite of Expand is the Condense function. · RANDOM & GENERATORS RANDOM PERFORM An easy and musical way to create non destructive variations on a sequence is to use Random Perform. The parameters affect all the steps per track.
  • Page 24 CV OUT Another great way to create variation on your sequences is to automate parameters with the LFOs. There’s one LFO per Sequencer and it can modify one parameter of the list. (There will be two independent LFOs per sequencer).
  • Page 25 Back gets you back to the previous screen. CONFIGURATION This menu shows global parameters that affect OXI One as a whole. Many of them are presented as customization options so the user has the best experience with the instrument. You can choose what...
  • Page 26 PPQ MIDI In. Changes the pulses per quarter note OXI One receives through MIDI. PPQ Clock Out. Changes the pulses per quarter note OXI One sends through analog Clock Out. PPQ Clock In. Changes the pulses per quarter note OXI One sends through analog Clock In. (48, 24, 8, 4, 1) Send CC of muted tracks.
  • Page 27 LAYOUTS · KEYBOARD It shows the keyboard layout on the grid. Each Sequencer mode has its own dedicated Keyboard layout. Different columns of pads will be highlighted on the grid depending on the scale selected, to act as a visual guide of filtered notes. Each column represents a semitone, moving vertically jumps an octave up and down.
  • Page 28 ARP: In Keyboard view, press Arp to enter the arpeggio menu. Each Sequencer has one arpeggio that can be playing independently of what is playing on the Sequencer. Turn it ON with encoder 1 and continue turning CW to choose the arpeggio algorithm.
  • Page 29 · CV GATE Shift + LFO opens the CV Gate grid layout. This mode is shared by all Sequencers to avoid overlapping routings. There’re 8 cvs and 8 gates that can be fully configurable in real time with playback on, this means you can use this layout as an innovative tool for performance.
  • Page 30 · Multitrack up to 8 voices (1 per track) Pitch, Gate, Velocity and Trig Envelopes modulation sources are correlated by voice number. After selecting one of these sources you can choose which voice it reads from with the first encoder, for example: If the cv is set to pitch, the second parameter offsets the note per semitones and the fourth parameter...
  • Page 31 One of each CVs and Gates requires a different voice selected, from 1 to 3. CV1-3 have voices 1-3 of sequencer 2 assigned. This method allows you to choose the amount of voices and which CVs do you want to route them through.
  • Page 32 CVs and gates come calibrated, but if you need to recalibrate, please follow the instructions on Calibration. CV to MIDI conversion OXI One has one CV input (Clock In) that can be routed to either internal parameters or be sent to external CC. Double press MOD button to access this menu and select the destination.
  • Page 33 Their duration is one bar (16 steps at 1/16th) and the number of repetitions of it can be changed, so one single blank pattern can be set to a number of repetitions or loop to infinity. Blank patterns are highlighted in white.
  • Page 34 On the main screen you can see on the right the countdown for each arrangement track pattern to change to the next one and a progress bar of it. If the current pattern is looped a round arrow will indicate this.

  • Page 35: Motion Recording

    If the selected track is one of the first four (1 - 4), the CC Perform menu will show the modulation lanes information of the tracks 1 to 4. And if the selected track is one of the last four (5 - 8), it will show the information of these last four.
  • Page 36 The CC automation can be routed to any CV output (see CV Out configuration) The CC automation is set by step. To avoid having jumps on values, the CCs are smoothed with interpolated values. The curve that defines the smoothing can be adjusted in configuration...

  • Page 37: Sequencer Modes

    80-107 with a decrease of 20 points. With this implementation you can perform over global parameters without overwriting individual values per step, and by reaching extreme values with the opposite one, you can quickly set the same value for all steps again.
  • Page 38 When one note is on a higher or lower octave, a led will light up on the top or bottom row indicating the higher or lower pitch, the note will be also visible on its respective row, so it helps you to have all the notes at sight and controlled.

  • Page 39: Step Parameters

    STEP PARAMETERS Hold one or more notes at the same time (active or not) to see their step parameters and the note information. You can change with each encoder the Velocity, Octave (a pad will light up on the edge of the column as indication of decentralised octave), Gate and the Mod defined in the section above, by default it sends...
  • Page 40 You can quickly transpose the whole chord progression by holding the respective Sequencer button and pressing an empty pad higher or lower than an active one. The distance from the active note to your pressed pad in the column will dictate the transposition direction and distance.
  • Page 41 A second press on Step-Chord button (white light) will enable the step submenu, which can be seen by holding one or several steps at once. In this screen the parameters available for edition are: Strum, it ranges from -100 to 100. Positive values introduce a time separation between notes that goes from lower to upper notes, in negative values it goes from upper to lower notes.
  • Page 42 KEYBOARD The keyboard layout includes a large amount of intuitive shortcuts and tools to make playing chords equally fulfilling for the experienced music theorist as for the inexperienced ones, learn and explore without barriers. The keyboard is split in two sections, the first 12 columns of the Grid are the perform area that triggers the chords.
  • Page 43 The bass note has preference over spread on the 8 note limit. · MULTITRACK The Multitrack Sequencer is one of the biggest values of the OXI ONE, with its 8 separate tracks it's perfect for drawing drum patterns or monophonic melodies as well to have direct control of them in one layout.

  • Page 44: Track Parameters

    By holding the RANDOM or the LFO button the grid will show the 1st step of every track in yellow and orange respectively, this indicates which tracks are affected by Randomization and LFO parameter changes. By default all tracks are enabled. In Multitrack mode instead of Random Octave you have Random Gate, it doesn’t affect the TIEs.
  • Page 45 To access Track parameters hold any pad on the desired track and hold the Sequencer button in which Multitrack is active. This menu is momentary while the keys are being pressed so you are back as soon as you make changes and release the buttons. We recommend using your right hand to press the two buttons and the left to turn the encoders.
  • Page 46 There’s also handy shortcuts for soloing and muting individual tracks. 1st to 12th column is the perform area. It changes from 8 pads highlighted, one per track, to play as a drum kit; or a full keyboard when Arm Track is active (14th column).
  • Page 47 14th column selects Arm Track. Without any selection and by default, the 8 highlighted pads play each track (track trigger). If you select one track in this column, the keyboard will play as a regular full keyboard on that track (remember MIDI channel can be set differently per track).
  • Page 48 · POLYPHONIC Polyphonic allows you to have total freedom of up to 7 notes per step and up to 128 steps. STEP PARAMETERS ● Glide (only affects the cv outputs set to pitch) ● Probability per note ● Retrigger per note ●...
  • Page 49 · HARMONIZER Harmonizer mode is a scale setting for Mono, Polyphonic and Multitrack Sequencer modes (Followers), in which the pitch of the notes is taken from the active chord on a Chord Sequencer (Leader) instead of their Sequencer itself. This works as follows: the rhythm and the pitch trend is set on the Piano Roll of the Follower Sequencer, but the final pitch is based on the active chord progression of the Leader In this mode you are not only in key, but any changes applied to the chord sequencer will affect the...
  • Page 50 SHORTCUTS Turquoise represents the secondary color, all secondary functions are triggered/accessed by SHIFT button. GENERAL - Long press Sequencer 1-4: Sequencer configuration screen - MUTE + Sequencer 1-4: Turn On/Off the sequencer for playback SHIFT + Keys (Preview): Turn On/Off preview to listen the pressed notes on the sequencer view - Step + Copy: Copy selected step parameters - Step + Paste: Paste selected step parameters - Sequencer 1-4 + Copy: Copy selected Sequencer...
  • Page 51 CHORD Keyboard - 13th and 14th column: Chord inversion - 15th column: Chord voicing - Top right pad: Modifier triggering On/Off - 16th column: Chord spread MULTITRACK - Sequencer 1-4 + : Delete all tracks - Sequencer 1-4 + any step of a track: Track configuration Piano Roll - MUTE + 1st column: Mute/Unmute the respective tracks - MUTE + 16th column: Solo/group Solo/no Solo the respective tracks...
  • Page 52 - Long press Encoder 4 button: Enter CC selection. Once inside, any encoder click selects the modulation To exit CC perform o CC selection, press any function button. RANDOM SHIFT + Random: randomize the whole sequencer. In Multitrack mode it randomizes the last selected track. Randomized parameters: pitch (& octave), gate, velocity and time offset.

  • Page 53: Midi Routing

    MIDI ROUTING By default OXI One will MIDI Thru messages from one source to another. For example, the MIDI data received via Bluetooth MIDI (BLE MIDI) will be output through USB MIDI, TRS MIDI output and, if any CV/gate assigned to a sequencer, to the respective CVs or gates.
  • Page 54 MIDI BLUETOOTH OXI One incorporates MIDI over Bluetooth (BLE) and it is a dual role device. There are two ways of using it. CENTRAL ROLE OXI One can act as a hub for other MIDI Bluetooth peripherals like: Piano keyboards (ROLI Seaboard, CME Xkey Air, etc.) BLE dongles (CME WIDI BUD, DORE MIDI cable, etc.)
  • Page 55 The connection has to be established from MIDI and Bluetooth settings of the app itself. Let’s use the free iOS app Synth One for this example. Go to the Bluetooth settings by clicking on the Bluetooth icon. (Sometimes this menu is found inside...
  • Page 56 Select OXI ONE BLE and give it a few seconds to establish the connection. It will be ready to use! ANDROID The process is equivalent to the one described for iOS. You can try with a free app like FluidSynth MIDI for Android. Once in the app, click in the menu (dots icon), open MIDI Bluetooth and select OXI ONE BLE.

  • Page 57: Design Notes

    Both have 4 modulation lanes. Mono can only have one active note per step meanwhile Poly can have up to 7 active notes per step. Then, why would you use a Mono track? Since a mono track can only have one active note per step at a time, it is convenient for quick changes on the melody, when for example you have a one-voice lead or when you are sequencing a mono synth.
  • Page 58 MONOME GRID Keep the SHIFT button pressed when powering on your OXI One to enable the operation as a 128 GRID device. To go back to normal operation, restart your OXI One by pressing the power button.
  • Page 59 OXI APP Refer to our website to download the Desktop / Mobile app which will allow you to upgrade your OXI One’s firmware, backup your project data as well as manage its configuration.

  • Page 60: Calibration Table

    Make sure to use a good reference like a 5 digit multimeter or a well tuned VCO (with V/Oct CV input) along with a Tuner. To enter calibration mode, press SHIFT + cv gate for more than 2 seconds until OXI One switches to calibration mode indicated in the screen.
  • Page 61 Press it repeatedly until the voltage offset is +-0.003V (+-3mV) off the expected value. Once you have finished with all the points of the calibration curve, press C8 to save. _______________________________________________ You have to repeat the process with all the CV outputs. Every CV listens to a different MIDI channel, CV1 listens to MIDI Channel 1 and CV2, to the MIDI channel 2 and so on, until CV8 in channel 8.

  • Page 62: Declaration Of Conformity

    However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:...

  • Page 63: Environmental Issues

    • Reorient or relocate the receiving antenna. • Increase the separation between the equipment and receiver. • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help.devices. DECLARATION OF CONFORMITY The full text of the US declaration of conformity is available at the following internet address: www.oxiinstruments.com/...

  • Page 64: Serial Number Location

    This product is classified as Radio Equipment. Battery Notice This product incorporates a Li-Po type Battery. Disposal Notice Should this product become damaged beyond repair, or for some reason its useful life is considered to be at an end, please observe all local, state, and federal regulations that relate to the disposal of products that contain lead, batteries, plastics, etc.

  • Page 65: Terms Of Warranty

    REFUND POLICY (only in European Union) The consumer has a total of 14 days from the acquisition of the OXI One to be able to return the product thus receiving a full refund of the price of it. The product must be in the same state and with all the original content in order to receive a full refund.
  • Page 66 OXI INSTRUMENTS in the UE and registered in many other countries. OXI ONE is a trademark of OXI INSTRUMENTS. Design and specifications subject to change without notice. The OXI ONE may not be authorised for use in some countries.

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