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THANK YOU FOR PURCHASING 

ERICA SYNTHS MODULE!

Erica Black Series include high-end, 

unique functionality and superior quality 

modules. Only the best, highest quality 

components are used, all inputs and 

outputs are protected against undesired 

overvoltage. Erica Black series consist of 

range of modules that are needed to put 

together entire synth. Enjoy!

Erica Black VC Clock

 is a beating 

heart of your modular system. The 

module generates several clock signals 

simultaneously and has advanced 

features (tap tempo, shuffle, divide) both 

for controlled, rhythmic music production 

and for experiments with high level of 

uncertainty. You may find interesting 

adjustable and even random duty circle 

of shuffling and random clock outputs. 

Bonus feature – the module can be used 

as a performance time stopwatch.

FEATURES:

Manually and CV adjustable BPM

Clock division and multiplication

External clock input

3 digit BPM indicator

Manually and CV controllable shuffle 

amount

Manual and programmable sequencer 

reset output

Sequencer reset output

Adjustable duty circle of shuffling and 

random clock

Performance time stopwatch

TECHNICAL SPECIFICATIONS:

Max input level  ..........................-10V - +10V

Clock signal level  ............................. 0 - +5V

Clock rate .............................. 30 – 400BPM

CV input level (full sweep)  .......... -5V - +5V

Power consumption  ..............40mA@+12V, 

5mA@-12V

Module width  ....................................... 10HP

Module depth  ....................................25mm

7 segment LED indicators show BPM 

of Clock Out

Use Tap tempo button to set BPM. 

Push and hold TAP button and rotate 

SHFL/RND potentiometer to set clock 

output probability on RND OUT

Pushing RST button sends high pulse 

on RST output. Use it to reset your 

sequencer! 

This is sequencer reset output. Each 

time the RST button is pushed, high 

signal appears here to reset the 

sequencer

You can Start and Stop the clock on 

the output buy pressing this button. 

Stopping the clock will not send 

RST signal. Push and hold this knob 

to activate the Performance Time 

Stopwatch. See it’s functionality 

description below!

Small dot next to the last digit gives 

visual indication of clock rate

Adjust shuffle level from 0 CCW to 

extreme 90% CW

This is shuffle CV input

Random clock generates random 

clock pulses, relative frequency of 

which is set by BPM. You also can 

adjust output pulse duty circle

Here’s shuffling clock output. Use 

it for more human feel of rhythm. 

Shuffling clock can be multiplied by 

rate set by the encoder. You also can 

adjust output pulse duty circle

Use encoder to set BPM manually! 

Click the encoder to access the 

configuration menu. Refer to the 

table below for configuration settings. 

Rotate the encoder to select desired 

setting. Push the encoder to confirm 

it, and return to the main menu. when 

all settings are completed push RST 

button to exit CONFIG menu OR 

module will exit it automatically in 3” 

Click and hold the encoder and save 

your default device setting!

You also may want to alter an 

external clock. When external clock is 

applied, LED indicators show external 

clock rate

Clock rate is CV controlled – apply 

any CV here to alter clock rate! LED 

indicators will show BPM set by 

encoder and will not follow clock 

changes

This is output of the regular clock. 

BPM is indicated on LED indicators

Here you get divided or multiplied 

clock

BLACK VC CLOCK

Indicator 

screen 

Setting/configuration

DIV

Select  clock division or multiplication rate for DIV OUT. Available values are /2, /3, /4, /8, x2, x4, x8

SHD

Select  clock multiplication rate for SHFL OUT. Available values are x2, x4, x8

RND

Select  clock division or multiplication rate for RND OUT. Available values are /2, /3, /4, /8, x2, x4, x8

RST

Configure RESET feature. The module send reset signal to the sequencer, and it can be sent manually (push RST button any time you wish 

to reset the sequencer) or it can send reset signals after certain amount of clock pulses. Available settings are MAN (manual only reset), 16, 

32, 48, 64

SHG 

Adjust clock duty circle for SHFL OUT output pulse. Available settings are from 10 – 90% and random. Default setting is 50%

RNG 

Adjust clock duty circle for RND OUT output pulse. Available settings are from 10 – 90% and random. Default setting is 50%

PTS 

Activate or deactivate Performance Time Stopwatch. Performance Time Stopwatch (PTS) allows you to monitor timing of your modular 

performances. If PTS is activated, after 5 seconds BPM indicator will change to timer screen that indicates minutes (two digits) passed 

from the moment START/STOP button is pushed and module starts to output a clock signal. Pushing START/STOP button will pause the 

stopwatch, pushing RST button will reset it. 

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