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Keith McMillen Instruments QuNexus, User Manual

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Keith McMillen Instruments QuNexus User Manual Download Page 6

Converting CV Input from +/- 10V to 0V/5V

QuNexus’ CV In is uni-polar. If you send it a bi-polar signal, half of the signal will be clipped and 
can cause malfunctions in extreme cases. Sending a signal above 5 Volts is also unsupported. 
You can convert a bi-polar 10V signal to a uni-polar 5V signal. Though we do not provide a 
converter, you can make one using the schematic shown below:

6

Summary of Contents for QuNexus

Page 1: ...that is compatible with your CV device s CV ports Using adapters if needed make sure one end can plug into one of the stereo 1 8in CV out ports on the QuNexus 3 Plug your cable into the Gate CV1 Out p...

Page 2: ...g adapters if needed make sure one end can plug into one of the stereo 1 8in CV out ports on the left side of QuNexus QuNexus CV input port on the right side requires one end to be a 3 5 mm TRRS like...

Page 3: ...ssion pedal QuNexus CV In is uni polar If you send it a bi polar signal half of the signal will be clipped and can cause malfunctions in extreme cases Sending a signal above 5 Volts is also unsupporte...

Page 4: ...adapters and cables to get the tip and the first ring to an Expression Pedal Note about Expression Pedals Not all Expression Pedals work well Some are noisier than others Yamaha Pedals are known to m...

Page 5: ...nd CV3 CV to MIDI Data Conversions Output By default QuNexus sends different data out the 4 CV outputs Gate Note ons and offs Note ons are expressed as 5 volts CV1 Pitch CV2 Mod CC 1 Tip Nothing will...

Page 6: ...r signal half of the signal will be clipped and can cause malfunctions in extreme cases Sending a signal above 5 Volts is also unsupported You can convert a bi polar 10V signal to a uni polar 5V signa...

Page 7: ...and Sustainer Inputs It is possible to create a TRRS cable wired so that you can use two Expression or Sustainer pedals with QuNexus Though we do not provide these you can make them using the schemati...

Page 8: ...CV destinations on your CV device a If plugged into the Gate CV 1 port the QuNexus presets send note ons and offs out the gate and pitch out CV1 b If plugged into the CV 2 3 port the QuNexus presets B...

Page 9: ...is scenario but you can check for all the same things using different software 1 Plug QuNexus into a computer 2 Open the Audio MIDI software you wish to convert MIDI to CV with like Ableton Live 3 Che...

Page 10: ...QuNexus Port 1 Port 2 and Port 3 are enabled for MIDI Input and Output 5 Create a MIDI Track and set its MIDI From menu to All Ins set channel to all channels 6 Set the MIDI To menu to QuNexus Port 3...

Page 11: ...CV device into the Pedal CV 1 2 In a If using an Expression Pedal you can plug in with a stereo 1 8in connection b For separate use of both CV 1 and 2 use a TRRS splitter like the one that comes in t...

Page 12: ...ice 4 Open the Audio MIDI software you wish to convert CV to MIDI with like Ableton Live 5 Check Ableton s MIDI Preferences to make sure QuNexus Port 1 and Port 3 are enabled for MIDI Input and Output...

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