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Patch Tutorial

Put INT/EXT switch into the INT position. Put FST/SLW switch into the SLW 
position.

Set PAT knob fully CCW. Set le CNT fully CW.

Connect the le OUT and END to two gateble modules such as an envelope or 
Basimilus Iteritas. 

Hit the le HIT switch. A long burst will be generated which will blink the orange 
LED and trigger the attached device. At the end of the burst the red LED will blink 
and any device attached to the end out will trigger.

Adjusting the TMP knob while hitting HIT will change the burst speed. e tempo 
can be controlled by CV (CLK IN). Send an envelope or LFO to modulate the 
burst rate. e tempo range can be changed with the FST/SLW switch. It has three 
positions each is half tempo of the position above. e CNT knob/jack controls 
the number of gates in the burst. e PAT knob/jack controls the pattern of the 
burst.

Connect an external trigger source to the HIT jack to trigger the burst externally.

Hitting the CHK switch or sending a trigger to the CHK jack will terminate the 
burst.

To use an external clock  ip the clock switch to EXT and send a clock into the IN-
LFO. Everything will work the same except it will use the external clock for output 
timing. In this mode the DIV knob acts as an adjustable divider to the clock input. 
To match the external clock without division put DIV in the fully CCW position.

2

Noise Engineering

Variatic Erumption

Dual-Burst Generator with built-in LFO

Содержание Variatic Erumption

Страница 1: ...hen triggered it produces a controllable sequence of gates synchronized to a LFO A 1v 8va LFO is included Any external LFO clock may optionally be used Bursts can be terminated early with the choke Burst length can be controlled as well as the pattern used for the burst 1 Noise Engineering Variatic Erumption Dual Burst Generator with built in LFO ...

Страница 2: ...t rate e tempo range can be changed with the FST SLW switch It has three positions each is half tempo of the position above e CNT knob jack controls the number of gates in the burst e PAT knob jack controls the pattern of the burst Connect an external trigger source to the HIT jack to trigger the burst externally Hitting the CHK switch or sending a trigger to the CHK jack will terminate the burst ...

Страница 3: ...en LFO Out and End Tmp Div Knob In internal LFO mode this knob controls the LFO tempo It allows 4 octaves of control In external mode it is a controllable clock divider with 1 32 divisions Fst Slw Toggle is switch controls the base tempo of the internal LFO It is a three position switch Each position is half tempo of the position above e lowest tempos in each range are 1 2Hz 30 BPM 2Hz 120 BPM and...

Страница 4: ...e control of the burst count It acts as a scalar when using an external CV Out Jack is gate output sends a burst based on the clock when triggered with a Hit ere is an orange LED to indicate the current output state End Jack is gate output sends a pulse based on the clock at the next clock following the end of a burst Pat Jack 0 8v is jack allows CV control over the pattern Pat Knob is knob contro...

Страница 5: ...me numbers are always odd so in binary the lowest bit is always set Reversing these will always generate a pattern who s rst beat is set Note the rst two patterns are not prime as they are all bits set since this is the most simple burst pattern Noise Engineering Variatic Erumption Dual Burst Generator with built in LFO ...

Страница 6: ...or Cyrus sent me some links to existing products and a few days later I had a rudimentary prototype designed and ordered Many features were suggested by the testers of that rst prototype which led to the second prototype e second prototype is nearly identical to the nal module you hold in your hand I had very little to do with the overall formulation of the module It was very much a community prod...

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