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LXR OWNERS MANUAL

21

After this initial load, all changes made are temporary. If another kit is selected, all 
changes to the current kit are lost. If a pattern is changed, all changes to the 
current pattern are lost.

To make these changes permanent for the current session, you have to manually 
save the kit, pattern or song to commit them to the LXR's memory. To make them 
persistent over reboots, you have to save the project back to the SD card.

Quick naming scheme

To speed up the name entry on the save page you can also use the knobs below the 
display. If the cursor is in the name area the knobs have the following functions: 
> The first knob selects the cursor position. 
> The second knob switches between upper and lower case letters. 
> The third knob scrolls through the available default ASCII characters.

KITS

Kits are sound presets and contain all synthesis parameters of the 6 voices. A 
project contains 64 kits.

Loading

> Press  LOAD + KIT
> Select a new kit with the encoder. 
> To load the selected kit push the encoder.
> The kit sound will play immediately.
> Unsaved changes to the previous kit are lost.

Saving

> Press  SAVE + KIT
> Select the preset number you want to save your kit to. 
> Push the encoder.
> You will be asked: ”Edit Name? [y/N]”.
> If you don’t want to change the name, push the encoder and your kit is saved.

> If you want to change the name, use the encoder to navigate to [Y/n] and push it.
> Navigate to the letters of the name. 
> You can change the letters if you push the encoder and turn it or refer to the 
QUICK NAMING SCHEME
> If you are happy with the name, navigate the cursor to the 'ok' button and push 
the encoder down to save the kit. 

> The first row of the display gives information about the active mode (load or save) 
as well as the selected datatype (Kit, Pattern, Project ...) that will be processed. 
> The second row chooses the active preset number and displays the name of the 
selected preset.
> You confirm the selection by pushing the encoder button.

MENU NAVIGATION

> Use the encoder to navigate trough the menu.
> Push the encoder to confirm your selection.

DISPLAY DESCRIPTION

The load and save menu is basically 
the same for all datatypes:

Every change, even when saved to the LXR's RAM, will be 

lost once power is turned off, if the project was not 

written back to the SD card! So always remember to hit 

the save project button at the end of your session.

The LOAD and SAVE buttons, together with the KIT, MORPH, 
SONG, PROJECT and PATTERN buttons from the sequencer 
are used to enter the load/save menu. 

Load: Sound 
[1] Name

Summary of Contents for Erica Synths LXR-02

Page 1: ...O W N E R S M A N U A L Julian Schmidt...

Page 2: ......

Page 3: ...Mixer Page Mix 6 SEQUENCER 6 1 Tracks Select tracks Mute tracks Unmute all tracks Track length 6 2 Bars 6 3 Steps 6 4 Step parameters Available Step Parameters 6 5 Automation Choosing the active autom...

Page 4: ...d patterns Inserting an removing lines Special Patterns Playing a song 7 9 FX Mode Menu location Drive Ringmodulator Compressor Delay 7 10 Reload Button 8 SYNTH MODULES 8 1 Oscillator 8 2 Filter Frequ...

Page 5: ...RPN list 10 FIRMWARE UPDATE 10 1 Update procedure 10 2 Bootloader error messages 11 INTRODUCTION TO DRUM SYNTHESIS 11 1 Kicks 11 2 Snare 11 3 Clap 11 4 Hi hat 11 5 Cymbal ride 11 6 Bells Realistic bel...

Page 6: ...1 2 3 5 11 9 12 10 8 6 7 4...

Page 7: ...Activates an alternate function set for some buttons indicated by the white background labels COPY CLEAR BUTTON Copy and clear sequencer and kit data 16 SEQUENCER BUTTONS Function depending on active...

Page 8: ...or turning the unit on and off DC IN Center positive 5 5 2 5 mm barrel jack 12 V DC 1 A The encoder selects a menu parameter Capital letters highlight the selected parameter In our example picture abo...

Page 9: ...e 16 SEQUENCER buttons to activate some steps The next voice should now play as well Press the LOAD KIT Step 8 buttons together You are now in the kit load mode Use the encoder to select another prese...

Page 10: ...tterns contain the note and automation data for each instrument They are saved as PAT files inside the project folder 4 5 SONGS A Project contains 64 Songs Each song is a list with up to 64 Patterns t...

Page 11: ...ATOR PITCH EG VOL EG OSCILLATOR AMP DISTORTION SAMPLERATE REDUCER TRANSIENT GENERATOR FILTER NOISE 5 2 SNARE VOICE VOICE 4 This voice is good for snare drum and clap sounds A noise source and a pitche...

Page 12: ...Displayed name Name Description Rise time of the envelope att Amplitude envelope attack Envelope fall time for the hi hats D1 D2 Closed Open hi hat decay time Variable slope from exp to lin to log slp...

Page 13: ...any voice parameter Here you can select the target from a list dsr Velocity mod destination Controls how strongly the envelope modulates its target The envelope is hardwired to the pitch This paramet...

Page 14: ...saw down xdn Filter frequency Filter resonance Filter type Filter drive Changes the cutoff frequency of the filter Adjusts the filter resonance Selects the filter characteristic Increases the input g...

Page 15: ...stereo channels or use the 4 outputs as individual mono channels or the FX bus out Output The length of the sequencer track in 16th steps len Track length MIDI channel the voice responds to ch MIDI c...

Page 16: ...he new last step Use the BAR buttons to select steps above step 16 You can also set last step with the encoder You can choose the track for which to edit the last step with the voice buttons SHIFT dou...

Page 17: ...tion Parameter 2 Value 6 5 AUTOMATION Parameter values can be recorded to the sequencer steps Each step can store 2 parameter changes They affect only a single step and are not processed if the step i...

Page 18: ...tton to abort CLEAR TRACK To clear a single track in the pattern Use the VOICE buttons to select the track you want to clear Press SHIFT CLEAR Use the encoder to select clear track on the display Push...

Page 19: ...ncy of the filter of voice 3 Press VOICE Button 3 to select the voice Press SELECT button 6 to show the filter page Use the first knob to adjust the frq parameter CLEAR KIT INIT SOUND If you want to s...

Page 20: ...for each voice and access the morph and global sample rate FX Voice editing is not possible in this mode BASIC PERFORMANCE MENU In performance mode the display shows a set of 5 parameters MANUAL ROLL...

Page 21: ...nt to save your kit to Push the encoder You will be asked Edit Name y N If you don t want to change the name push the encoder and your kit is saved If you want to change the name use the encoder to na...

Page 22: ...n pattern mode Loading Press LOAD PATTERN The screen will show Select Pattern Current x Now you can use the SEQUENCER and BAR buttons to select the pattern to load If the sequencer is playing the new...

Page 23: ...if set to all everything is sent mtx Transmitted MIDI Filtering MENU LOCATION To start the pattern generator press the SHIFT PERF buttons A flashing PERF button LED indicates that the pattern generato...

Page 24: ...isplay To expand the lifetime of the OLED display and to avoid burn in the firmware provides a screensaver for the display After no control is touched for some minutes the display will show the screen...

Page 25: ...fferent pattern groups INSERTING AN REMOVING LINES To insert a line into the song table just push the COPY button It will insert a copy of the highlighted pattern in the slot below and shift the follo...

Page 26: ...n contrast to the drive parameter of the single voice filter and mixer pages this FX processes all signals in a single distortion unit This leads to interesting intermodulation between the input signa...

Page 27: ...e the output gain to make up for the difference gai Makeup Gain Parameters DELAY Straight forward delay FX Not much to say here It s a classic Try using the range control for very short delay times an...

Page 28: ...ings the frequencies around the operating point i e the set frequency will be amplified more and more It becomes clear if we look at the filter amplitude response plots in the next section DRIVE Contr...

Page 29: ...quencies above and below the set cutoff frequency Unit gain bandpass The unit gain bandpass is a scaled version of the normal bandpass filter The gain is always adjusted to have its maximum around 0dB...

Page 30: ...he speed selected by the attack setting until it reaches the maximum amplitude Then it will fall back down to zero with the speed set by the decay parameter ATTACK DECAY TIMES These 2 parameters contr...

Page 31: ...tack stage is replaced by the repeat stage in which the envelope is retriggered rapidly The attack parameter controls the duration of the complete repeat phase 8 4 TRANSIENT GENERATOR The transient ge...

Page 32: ...pop This results in the volume parameter controlling the intensity of the initial pop SAMPLE MODE A short transient sample is mixed to the sound They are short 50ms 8 bit ROM samples that are played a...

Page 33: ...ou can use a sine lfo to modulate the filter cutoff SETTING UP MODULATIONS The modulation target is selected on the second page of the LFO menu The target selection consists of the two parameters Voic...

Page 34: ...n of the manual for more info Did you know The synth detects if a cable is inserted into the jack If you have a patch where a voice is routed to an unconnected output it will be played on the nearest...

Page 35: ...no function The synth will listen for MIDI start stop signals instead While not in MIDI slave mode the LXR will send out its internal clock via MIDI clock messages to both the USB and MIDI outputs Th...

Page 36: ...Volume envelope attack Closed Hihat decay time Open Hihat decay time Volume envelope slope Volume envelope slope Volume envelope slope Volume EG slope Volume EG slope Volume EG slope Volume EG repeat...

Page 37: ...FO amount LFO amount LFO amount 4 5 6 all 1 2 3 4 5 6 1 2 3 4 5 6 CC Function Voice 9 8 MIDI NRPN LIST Since there are more than 127 parameters in the LXR some parameters have to be controlled using N...

Page 38: ...7 Transient generator waveform Transient generator waveform Transient generator waveform Transient generator frequency Transient generator frequency Transient generator frequency Transient generator f...

Page 39: ...nds to discover beyond the well known drum sounds of the analogue classics Nonetheless we will mostly focus on generating these because they provide a good starting point for further exploration 11 1...

Page 40: ...moderate resonance setting is sufficient to get good results AMPLITUDE ENVELOPE We want a sharp percussion sound so the attack will stay at zero For the decay it depends on what kind of snare you are...

Page 41: ...It is also recommended to lower the volume of the voice otherwise the cymbal sound may be too loud FILTER A bandpass filter with high resonance settings and a frequency above 110 gives good results L...

Page 42: ...ldorf Attack synthesizer contains a lot of HowTos on drum synthesis Use your search engine of choice to find both documents 12 1 ELECTRICAL SPECIFICATION Main outs Level 4 dBu peak Output impedance 10...

Page 43: ...ature for an hour before plugging it in Transport the instrument carefully Never let it drop or fall over The Warranty does not apply to instruments with visual damage LXR 02 must be shipped in the or...

Page 44: ...3 Riga Latvia LV 1045 You will find the Erica Synths terms of warranty at www ericasynths lv Items for return exchange and or warranty repair should be sent us according to the guidelines on SUPPORT s...

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