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USB SOLO

INTRODUCTION 

     

The

 USB SOLO 

is  much more than just a USB MIDI to CV converter as it incorporates a 

built in LFO as well as portamento and many other functions. Please take some time to read 
through this manual prior to first use to avoid any operational difficulties.

 

     

CONNECTIONS

 

 
 

 

 
 
 
 
 
 
 
 
 
 

 
USB 

Plug one end of the supplied USB cable into here and other end into your computer or hub. 
This cable not only carries the MIDI data, but also supplies power to the USB SOLO. 

       

CV (Hz/V) 

Plug this into the input marked CV IN, VCO IN, KEY VOLT or KYBD IN etc.  on your mono-synth. This 
controls the pitch of your synth. (What pitch to play) 

       

GATE (S-Trig) 

Plug this into the input marked GATE, V-trig, Trig, S-Trig, etc. on your mono-synth. This turns the note 
on and off on your synth. (When to play) 

         

AUX1 [continuously variable aux output] 

Plug this into the input marked VCF, fcM, PWM, VCA, Filter, Volume, or any other external control 
voltage input on your mon-synth. This enables you to control effects such as filter cut-off using MIDI 
controllers. (Velocity, mod wheel, etc.) Note: not all mono-synths have such additional control inputs. 

                

AUX2 [digital aux out] 

Use this to control switchable inputs. Signal is either zero or 5V. 

         

AUX3 (clock) [digital aux out] 

Use this as a clock connection or to control switchable inputs. Signal is either zero or 5V. 

       

SYNC 24 

Connect to an input marked SYNC 24 or DIN SYNC to synchronise the clock of a device which uses 
this system. 
       

 

       

PRESETS  [in memory locations 1 to 40]

 

As supplied, or after a full reset, presets 1 to 34 are all loaded with the default setup for use with an 
SH-101. This setup is suitable for a lot of other standard CV / Gate synths too. The following presets 
for other synths are loaded into the following locations. See page 3 for how to load setups. 
 

Prog 

Synth   

 

 

 

 

         Changes from default (SH-101) setup 

#40 

Roland SH-09 (also Moog Prodigy mk1 with KE skts)   Gate 15V 

#39  

Minimoog 

 

 

 

 

         S-trig, coarse tune –5 semitones 

#38  

Other Moog 

 

 

 

 

         S-trig, coarse tune zero 

#37  

Korg MS-20 

 

 

 

 

         S-trig, Hz/V 

#36  

Yamaha CS-10   

 

 

 

         S-trig with 5V pullup, Hz/V 

#35  

ARP2600  (also Odyssey mk1+KE skts)   

         Gate 15V, Aux1 set to TRIG 

MIDI Master 

keyboard

 

Analogue 

synth

 

USB 

AUX, 
Gate, CV

Filter, Gate, CV

USB

USB 

USB –MIDI 

converter 

Computer 

MIDI IN 

MIDI OUT 

Summary of Contents for USB SOLO

Page 1: ...U U U US S S SB B B B S S S SO O O OL L L LO O O O USB Single channel MIDI CV converter Operating manual...

Page 2: ...nterference to radio communications 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...

Page 3: ...g MIDI controllers Velocity mod wheel etc Note not all mono synths have such additional control inputs AUX2 digital aux out Use this to control switchable inputs Signal is either zero or 5V AUX3 clock...

Page 4: ...e displayed Minus values up to 127 or positive values up to 255 are used The display will automatically revert to parameter mode after approximately 10 seconds if neither inc or dec are pressed The va...

Page 5: ...the newest valid note played takes precedence The USB SOLO has a 5 note buffer memory so that trill effects can be achieved P 04 Pitchbend range default 2 Range 0 to 12 semitones The pitch bend range...

Page 6: ...at minimum can be set above maximum so that the controller works backwards Why would I want to do this The modulation amount at mod wheel maximum may be too great or too little P 11 LFO to CV reset va...

Page 7: ...d SCI ARP Oberheim The low level gate may be needed for synths that require a lower gate voltage such as the SH 101 S trig no pull up S 00 This would be used for most Moogs Korgs and some Yamaha synth...

Page 8: ...17 Sets which Controller will control the LFO depth applied to the AUX1 output The following can be selected Off oFF Pitch bend Pbd Velocity VEL Aftertouch AFt MIDI controllers 0 to 119 P 26 LFO to A...

Page 9: ...set for see below for divide ratios A divide ratio can be set so the LFO only re triggers every so many MIDI clock messages MIDI sends 24 clocks per quarter note So if divide is set to 1 there will be...

Page 10: ...ulse output for every 24 MIDI clocks 1 cpqn Note there are 24 MIDI clocks per quarter note Below is a table of values you can set the divide ratio to in order to obtain a clock pulse at various musica...

Page 11: ...with no adjustment necessary One intended use for Auxes 2 3 is to control the accent slide of our 5 socket kit for the TB 303 If you are not using a sequencer you will need some way of linking your MI...

Page 12: ...Parameters mode displays GPA decribed below INC only Displays the firmware revision number described below SEL DEC Powers up without USB from plugging cable in only displays NoU SEL INC Receive firmw...

Page 13: ...selected the USB SOLO will display the value it receives for the type of message currently selected Although pitchbend and after touch are not strictly controllers when Controller number Cn mode is s...

Page 14: ...ock problems on our website in the Information and FAQs section Clock Stop Start signal is available at the Aux 2 output if selected as the controller source Para 42 Clock with a rate of between 1 and...

Page 15: ...he synth it will not always be clear what type of CV and GATE signals are required to play the synth For instance the Korg MS20 requires an S TRIG signal but the input is labelled TRIG Another example...

Page 16: ...output into the external control input of the synth e g Filter input the cut off frequency can be controlled over MIDI The AUX output is not controlled by MIDI note numbers The converter allows you t...

Page 17: ...r pedal sustain Hold 1 65 41H Portamento 66 42H Sostenuto 67 43H Soft pedal 68 44H Undefined 69 45H Hold 2 70 79 46 4FH Undefined 80 83 50 53H General purpose controllers 5 8 84 90 54 5AH Undefined 91...

Page 18: ...h low 7 bits of parameter address 10 0uuuuuuu where uuuuuuu high 7 bits of data either 0 or 1 for usb solo 11 0hhhhhhh where hhhhhhh low 7 bits of data 12 0F7h end of exclusive The USB SOLO responds b...

Page 19: ...et value 0 127 25 Lfo speed 0 191 26 Lfo waveshape 0 8 7 27 Lfo MIDI sync 0 96 8 28 Lfo sync start point 0 255 29 Key on resets LFO wave 0 1 10 30 cont start 0 1 11 31 clock divide 0 24 9 32 Aux 2 con...

Page 20: ...applies to the European Union other European countries with separate collection systems The crossed out wheelie bin symbol affixed to this product indicates that it should not be disposed of with othe...

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