user manual
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1. push button Registergericht Court of Registration Amtgericht Berlin Charlottenburg Registernummer HRB 145453 Umsatzsteuer ID VAT ID DE285522050 symmetry Used to wave shape the LFO output You can bend the symmetry of the wave from 10 to 90 CV ATTENUATORS Trim pot There is one CV input trimmer each for LFO Symmetry and LFO Rate Turn the trimmer fully CW to get 100 signal going through and turn the trimmer fully CCW to get no in coming CV signal 9V DC CONNECTOR Standard BOSS Style adapter 2 1 x 5 5mm barrel plug 9V center polarity negative S00mA minimum Onl use the KOMA Elektronik power supply shipped with this pedal KOMA Elektronik GmbH Mahlower Strasse 24 12049 Berlin Neuk lln Germany d e ISOPPOPINOUY MAKE SUTE YOU USE IU sdl amp ly WIdUStUTT IS PIEUly MdMMMaDte ASO MaKe sure there is no solvent mixed in this will remove the screen printing of the pedal We noticed by using a clean toothbrush you can cleanup the sensor We recommend 5 x r ATARE al alaaa PARO LA alamaralda MAVA MTATA ra awia enst ALe have my DAW as a master clock controlling the RH301 but the tempo is fluctuating What can do BASIC SETTINGS FEATURES Many sequencer programs and other music software will send all available MIDI to unstable MIDI clock information because of sound card or hardware limitations Try to disable unnecessary MIDI information and choose the right MIDI chan2. SYMMETRY knob determines the offset voltage Usable range from 0 5V LFO RESET CV Input The LFO RESET input can be used the externally reset the LFO to bar 1 at any time The input reacts to any rising edge trigger that changes from OV to 3V SENSOR CV Output This is the CV output of the infrared motion sensor The closer you move something to wards the sensor 10 LFO INV CV Output Inverted LFO output of the pedal It is in phase with the main LFO out put but the voltages are inverted Signal ranges from 7 6V OV ED LFO cv output Main LFO output of the pedal Signal ranges from 0 7 6V IFO ENV GATE CV Input Input for external ris ing edge gate signals to trigger the enve lope T o wr Sets the speed of the LFO If you chose to have the LFO synced to he master clock you can select a division or multiples of the mas er tempo to sync to f the LFO is running in free mode you can set any speed between 0 25Hz and 260Hz n SHAPE Determines the output wave of the LFO You can choose be tween sine wave tri angle square sample and hold and a spe cial waveform which is composed of a sine wave and digital noise JOP PPP PPP a ro move Choose to have the LFO run freely or synced to the clock D s 9V DC INPUT AUX CONTROL Trigger In Manual start stop for the clock when there is a rising trigger functions the same as the
3. input Set both LFO and enve the pulse width of the waveform Experi UPDATING FIRMWARE lope generator to sync and create a slow ment with other wave shapes for different ly changing envelope The envelope will sounds and adjust the speed to change The RH301 provides the possibility of updating its firmware by sending dumping C Vy T H F 0 R Y change the LFO division in a rhythmical the pitch IDI SysEx data through a MIDI cable connected to the DIN MIDI input on the back of manner Pattern mayhem he pedal To get into firmware update mode unplug the power cable as well as any other connections on the patchbay or back panel jacks Press and hold the large black pushbutton while re connecting the power cable Keep holding the button or 2 seconds If executed correctly the blue light around the pushbutton should now steadily glow blue Connect a MIDI cable between the DIN MIDI input on the back panel of the RH301 and your MIDI host The RH3O01 is now ready to receive firmware updates For more detailed information on this topic and the latest firmware please check out the RH301 product page on www koma elektronik com GATE OUT CVOUTII CVOUTI KELLET Cei CEEE CPE EE a The concept of control voltage CV is not hard to understand Instead of turning a knob on your pedal you simply connect a voltage the control voltage to the cor responding CV input that does the job for you So for example if you want to have a quickly varying LF
4. O SYMMETRY you don t have to turn that knob all the time back and forth until your fingers fall off but simply connect an alternating CV to the LFO METRY input aeaaea once O CHOLERE S 2p u can use control signals from any source to manipulate certain features of t 301 All of the CV inputs of the RH301 accept bipolar as well as unipolar cont tages but work best with CV from 0 SV The incoming CV signals are mixed t ther with the corresponding knob on the RH301 itself and we provide you with enuator for each CV input on the backside of the panel TECHNICAL SPECS Nj A Casing Shipping Weight you notice a significant distortion or clipping in your control signal waveform or Powder coated aluminum casing silk 1 5kg 3 3 lbs including power adapter range CV behavior simply turn the attenuator counter clockwise towards the word CV until you hear your desired result By turning it counter clockwise you attenuate the incoming CV signal Fully counter clockwise means that the incoming CV signal is completely gone whereas fully clockwise means that the incoming CV signal is arriving to the circuit unattenuated Furthermore you can set an offset voltage to your control voltage to adjust the CV signal to your needs The offset voltage is set by the corresponding knob on the front panel LFO RATE and LFO SYMMETRY There s a
5. RH 301 RHYTHM WORKSTATION UTILITY TOOL USER MANUAL Dear KOMA user Thanks a lot for purchasing the Rhythm Workstation Utility Tool e RH 301 is our solution to a p e struggling with analog and still needs to be controllable whic task There are many standards out there MIDI analog clocks and control voltages to synchronize different instrument are more recent Some are intended same speed some at creating repeated or single even 5 eC of them are nearly as old as synthesizers themselves some e 5 i within a certain time frame tha to build a Rhythm Workstation electronic musicians get the most ou needs to run side by side in sync but at the same time envelopes They all basically represent different approache s in sync with other gear Synchronization problems are always a time consuming and annoying reality for many musicians T KOMA Elektronik RH30 roblem many musicians digital equipment that h is not always an easy DESO in the form of LFOs and s and effect units som o let devices run at th his is why we decided Utility Tool that helps of their equipment by properly syncing a large amount of devices in many different ways without losing a hands on feeling and creativity The heart of the RH301 is the master clock of which the tempo can be set by turning the Tempo knob by tapping a tempo on the tap button by syncing it to MIDI he gene
6. UT i oem em KOMA Elektronik warrants its products to be free of defects in materials workmanship and conforming to specifications at the time of shipment for a period of two years from the date of purchase During the warranty period any defective products will be repaired or replaced at KOMA Elektronik s option on a return to factory basis This warranty covers defects that KOMA Elektronik determines are no fault of the user CV Signal inside the pedal Original CV Signal Ie So what happens The incoming CV signal is shifted around the voltage that you select with the corresponding knob Example if you insert a 5V to 5V sine wave into the LFO SYMMETRY CV jack you will get the following results while turning the SYMMETRY knob Os Ctl ae Returning your product You must obtain prior approval in the form of a RMA Return Material Authorization number from KOMA Elektronik before returning any product Email us at Support koma elektronik com to request the RMA number All products must be packed carefully and shipped with the KOMA Elektronik supplied power cay eg Gas ese adapter Sorry the warranty will not be honored if the product is not properly packed Ca Ny J BF Rey amp wf XS a Once you have received the RMA write it on the box together with the word WARENRUCKSENDUNG and carefully pack your product ship the product to KOMA Elektronik with transportation and insurance charges paid and include your retur
7. art stop gate All of the mentioned standards have been brought together in the RH301 to provide a us able working environment no matter what setup you use Some of my equipment is starting to hum when attach a MIDI cable This can happen in some setups mostly involving USB MIDI interfaces or other equipment with a USB MIDI connection sound cards hardware MIDI controllers etc Try to prevent ground loops and check your MIDI connections did we already mention that a lot of problems come from cheap or broken MIDI cables The difference between MIDI DIN Sync and Analog Clock Signals When connect my drum machine to the DIN OUT of the RH301 it starts and stops randomly Please check the DIN cable that you use Like with MIDI most of the problems stem from defective or wrong DIN cables Make sure that all the pins on the cable are connected from one end to the other With some MIDI cables it can happen that only the pins used for MIDI are actually connected through the cable MIDI and DIN use the same cable and plug but not the same pins on that cable CV OUT AUDIO OUT AOE ED on EB ANALOG CLOCK IN ANALOG CLOCK OUT E 24 PPQN 1 BEAT GOoos patch my sensor to the CV inputs and it doesn t seem to change anything JNV LFOSYMM SENSOR MIDI DIN SYC AU kt 24 PPQN 24 PPQN LFO LFO Amh SYMMETRY y TEMPO 3 2 3 2 4 A Tn SYMMETRY n GrG GE 5 O8 6 6 OE Make sure you
8. e pedal and by the pedal create your own by pressing sent to the DIN and MIDI OUT jacks If there s he black push button This starts the peda no start stop byte the black push button d d UNIPOLAR CV SIGNALS V 9V Bias Voltage set by knob NIDE 0Y NIDE 0Y Original CV Signal CV Signal inside the pedal How to initiate your warranty Please initiate your warranty online by sending an email to support koma elektronik com and sends a MIDI start stop byte to MID can be used to start stop the pedal an OUT as well as a start stop gate to DIN OUT send out the information from the DIN an MIDI OUT jacks
9. isions and multiplications of the clock as well as LFO and envelope settings to further manipulate your sounds and rhythms FRONT PANEL CONNECTIONS amp CONTROLS Analog Clock Output cLock 1 This is the main clock output It sends a 50 duty cycle square wave signal The CLOCK output is twofold and both outputs are buffered CV Output O The ENV CV output holds the signal of the envelope generator Signal ranges from OV TN DIVISION a N Push button to tap a tempo in TAP mode start or stop the unit when in FREE mode or it can be used to resync the RH301 when the unit is operating in MIDI slave mode Used to send a divi sion or multiples of the master CLOCK out put This ranges from 16th notes to once every full bar in ref erence of the master clock beats source Three way switch TAP position allo you to use the la black push button tap in a certain te po The FREE positi can be used to fre set the main tempo of the pedal with the TEMPO button The EXT position serves as your choice when you for example want the RH301 to sync to either MIDI DIN Sync or EXT CLOCK input Tempo ii Only active in FREE mode and can be used to freely adjust the main tempo an ywhere from 40bpm to 240bpm beats per minute ATTACK o Control to set the at tack time of the enve lope DECAY E m Control to set the de cay time of the enve lope SUSTAIN F T Control to set the level
10. lso a distinction between bipolar and unipolar signals This is best explained with a few pictures screened text and wooden side panels and this instruction manual Dimensions 23 cm x 20 cm x 5 cm Lx WxH Power requirements 9 x 9 8 x 2 LxWxH 9V DC power adapter S00mA min center Net Weight polarity negative only use the KOMA 1000 gr 2 2 lbs adapter shipped with the pedal S TRIG LFO ENVELOPE PING PONG Some synthesizers especially older Korg LFO Envelope Ping Pong Take a standard Moog and Yamaha ones expect S Triggers 1 4 patch cable and connect it from the on certain trigger inputs Set the LFO to inverted LFO output to the envelope gate square wave and connect the inverted LFO input ENV GATE Set the LFO to SYNC and output to the S Trigger input Set the LFO to chose the square wave shape Play around sync mode turn the LFO symmetry fully CCW with the LFO symmetry knob Your envelope to be on beat and turn it clockwise to add will now start its cycle every time the LFO a groovy feeling to it just went low so they are playing in a nice WA R R A N TY ping pong way but still in sync with the rest of the clock signals BIPOLAR CV SIGNALS 9V Bias Voltage set by knob CADER DIN IN CLOCK MIDI IN CLOCK OUT OUT oy i MIDI O
11. n shipping address BIPOLAR CV SIGNALS DIVISION 9V Bias Voltage Bias Voltage set by knob set by knob OND 0V OND 0V Original CV Signal CV Signal inside the pedal Low Bias Voltage High Bias Voltage What will we do A similar thing happens to unipolar CV signals Their point of origin OV is shifted by the amount set with the corresponding knob In other words You add the voltage of your knob to the voltage of your incoming unipolar CV signal DIN AS MASTER DAW AS MASTER Once received we will examine the product for any obvious signs of user abuse or damage as a result of transport If the product has been abused damaged in transit or is out of warranty we will contact you with an estimate of the repair cost Warranty work will be performed and KOMA Elektronik will ship and insure your product to your address free of charge Set the master sync source to EXT and plug Set the master sync source to EXT and plu he DIN cable into the DIN MIDI IN jack An the MIDI cable with the clock signal into th incoming start stop gate is translated DIN MIDI IN jack A start stop byte from th into a corresponding start stop byte a external clock is translated into a corre IDI OUT If no start stop gate is received sponding byte received by th
12. nel to send your data to the RH301 This will improve the accuracy of the MIDI clock signal being sent into the RH301 MIDI OUT CLOCKIN MIDI OUT or oe ee DIN OUT DIV OUT DIN OUT w a e en ae The RH301 enables you to accomplish a couple of different tasks including convert ing clock signals from different formats into other formats The RH301 can work with and be synced to analog clocks MIDI and the DIN Sync format CLOCK OUT e ia My LFO will randomly reset while syncing to external clock signals For most applications it is necessary to achieve two things First sync the tempi of two or more pieces of gear so that they are running at the same speed The second thing you need to achieve is to have the two synced tempi run in phase for example let them start running at the same time These two steps are solved differently in the three clock formats that the RH301 is compatible with Th Please check your MIDI DIN Sync analog clock connections Many problems come from cheap or broken cables Also make sure that you don t accidentally modulate your LFO rate via a CV signal attached to LFO SPEED and keep in mind that if you do gt vos so the LFO needs one bar to adjust to the new tempo JINV LFOSYMM SENSOR MIDI is a digital communication standard from the 80s coming in the flavor of a serial protocol With MIDI clock the clock signal itself consists of 24 pulses called ticks per quarte
13. nik GmbH is a subsidiary company of KOMA Elektronik B V MIDI THRU AUX DIN OUT MIDI OUT Clock Data Input DIN MIDI IN Socket for MIDI or DIN Sync clock input The RH301 can distinguish if and consequently which signalis present at this connection so that you don t have to worry about different settings Vertretungsberechtigte Gesch ftsf hrer Managing Director Christian Zollner amp Wouter Jaspers Sitz der Gesellschaft Registered Office Berlin Germany ENV MODE ED DIN MIDI IN MIDI OUT Ea KOMA ELEKTRONIK RHYTHM WORKSTATION UTILITY TOOL 3 EXT CLOCK Analog Clock Input This CV input accepts rising edge driven analog clock signals Every time a signal rises from OV 3V the pedal counts one beat 7 LFo SPEED c input Controls the speed of the LFO When you insert a control voltage into this input the RATE knob determines the offset voltage Usable range from 0 5V DIN OUT SHAPE RELEASE LSS SENSOR eee ee Emits a CV signal that can be patched up with any CV receptive socket on KOMA prod ucts and for example a modular synthesiz er By moving your hand over the sensor you can control the parameters of the CV input patched to it DIN MIDIIN AUX CONTROL LFO SYMM LFO SPEED Sm CV IN CV IN v EPO RESP 4 LFo symm CV Input Controls the symmetry of the LFO When you insert a control voltage into this input the
14. of the envelope while the gate is high RELEASE H E Control to set the release time of the enve lope ATTACK nnannun OLLLLTTETTTEETEELLTEFS CV Output ENVINV 2 The ENV INV CV output is the inverted enve lope output Signal ranges from 7 6V OV the higher the CV rises The sensor output is 0 8V Analog Clock Output DIVISION 6 This is the division output sending a 50 duty cycle square wave signal depending on the setting of the rotary DIVISION switch The DIVISION output is twofold and both outputs are buffered Rn S0 ENV GATE CLOCK TEMPO 8 DIVISICN DECAY tanunnunn Fad D gt Q m Cem Control to change the time range on the A D and R stages By turning this knob clockwise the envelope becomes slower and fades from a snappy linear to a logarithmic behaviour Slide switch to chose between master clock sync division sync or free running mode REAR PANEL CONTROLS MIDI THRU Data This is the un processed MIDI signal present at the MIDI input jack chained through Clock Output DIN OUT This is the clock output for DIN Sync receptive devices It provides the clock in formation sync24 as well as the start stop gate settings Clock Output MIDI OUT This is the connection for the outgoing MIDI signal It contains the clock information as well as start and stop signals for MIDI recep tive devices IMPRINT KOMA Elektro
15. r note to sync the tempi together For a synchronized start and stop of se quencers LFOs or other functions start and stop bytes are sent over the same cable When you run the RH301 in SLAVE mode all incoming MIDI messages are merged with the clock to the output OK FO af 3 4 ATT oh SYMMETRY AM YRY BS E SUSTAIN RELEASE RANGE p connected my DAW to the RH301 via MIDI but the pedal doesn t seem to start GOE First make sure that you set the master clock sync source to EXT and make sure that your DAW is sending the correct MIDI signals The RH301 expects a MIDI clock signal not a MIDI time code Further your DAW should send a start signal whenever you hit play Sometimes it can happen that programs only send a start signal in the beginning of a song not every time when you hit Play for example in Ableton Live you should try to set MIDI Clock Type to Pattern in the MIDI Sync preferences tab Your RH301 also won t start to sync to MIDI when there is a cable plugged into the EXT CLOCK jack on the patch bay even if no clock signal is present at that input A check your MIDI cables A large percentage of problems with MIDI sync come f cheap or broken MIDI cables If you have the opportunity try different MIDI cables DIN Sync is an even older synchronization possibility from the pre MIDI age It usually uses 24 pulses s
16. ral since it has it s own ded he patch bay o matter what your setup is digi icated SE riggered by an external gate trigger via te your creative process he RH301 also has a built in infra red motion controller CV inputs of the RH301 that accepts CV inputs SOR Output on al or analog if you use a modular synthesizer DAW drum computer synthesizer or our own BD101 and FT201 effect pedals the RH301 is an effective tool to make sure they a l walk in line while you have your hands free to create beautiful tunes Have fun All the best from Berlin The KOMA Elektronik Team GETTING STARTED 1 UNPACK YOUR MACHINE The package comes with the RH301 pedal a 9VDC SO0mA center negative power supply and that the power supply is rated for country 120 VAC for the USA 220 other countries 2 CONNECT IT this manual Make sure the line voltage of your VAC for Europe or most Be sure your amp or mixer is turned off then connect the clock envelope and LFO outputs to your instruments you want to control Or connect externa source to the RH3O01 to sync it 3 SET UP A BASIC PATCH MIDI DIN Sync or a clock Set all controls and connections to a patch in basic settings 4 POWER UP BYPASS Connect the RH301 power supply to the RH301 DC input on the backside of the pedal When you press the PUSH switch you start the clock 5 PLAY Now play that machine Adjust div
17. rated clock signal an external analog clock signal T can be passed on via two clock outp DESO uts two division outputs or via the MIDI Output and DIN Sync Output An incoming MIDI signal can also be passed along vi Out sockets And that s not all besides having the RH301 is also fitted with a LFO the master clock or run freely from different waveforms sine triangle square SSH and noisi can also be used as a up into the audible range The LF This means the peda when you turn the LFO has two separate outputs on the pa inverted out Some of the features modulated via control voltage the pedal boasts CV inputs LFO SPEED LFO RESET and LFO SYMMETRY The third main feature of the RH301 is an Envelope Genera which can easily be synced to the of the master clock or run in loop m controls for ATTACK DECAY a the MIDI Thru and MIDI a master clock section which can be synced to 0 25 Hz to 260 Hz in fi o fi oscilla tch bay LFO out and LF of the LFO can also master clock a division ode Besides the normal SUSTAIN and RELEASE the pedal comes with a RANGE knob to change the time range of the envelope created The envel ope generator comes with a normal envelope output and an inverted envelope output and can also be he external gate input To improve playability and to stimula which can be used to control the other KOMA products or any device in gene
18. use the correct PSU 9V 500mA center polarity negative for the sensor to work correctly Have a look at the back of the pedal and check if your CV attenuators are in the right setting Also keep in mind that the incoming CV signal is added to the corresponding knob on the front panel LFO RATE and LFO SYMMETRY and you won t hear your changes if they are set too high RELEASE RANGE set my RH301 to FREE mode EXT mode and sync to an external clock signal but my DAW synthesizer drum machine doesn t start playing ITO SYNC OFF BEAT The RH301 converts incoming start stop signals from MIDI to DIN Sync If however you miss those start stop signals because they were sent before you plugged in the RHYTHMICALLY The push button can also be used to sync off beat If you push it while the RH301 is cable or none are sent at all you have to create them yourself by pressing the large CHANGING LFO PATTERN LO FI PWM OSCILLATOR running already the pedal will reset its internal clock to 0 in sync with the incoming black pushbutton Take a standard 1 4 patch cable and con Use the LFO as an oscillator and a loop clock This way you can manually sync the RH301 into shifted clock signals nect it from the envelope output to the ing ENV into the LFO SYMM to modulate LFO speed
19. ync24 seldom sync48 sync96 or even sync192 you can set your preferred DIN sync format via a jumper on the main PCB it s set to Syns24 by default per quarter to sync tempi together For the synchronized starting and stopping of devices a gate signalis used If the gate is high it means start run while if it is low it means stop ITO RH301 AS MASTER EXT CLOCK AS MASTER For the RH301 to be the master clock Set the master sync source to EXT and source there are two possibilities set the insert a cable with a clock into the EXT master clock to FREE and adjust the tem CLOCK jack The pedal reacts to rising edge po with the TEMPO knob Pressing the black clock signals from OV to at least 3V Use push button creates the start stop func he black push button to send start stop tions Or set the master clock to TAP then bytes MIDI and start stop gates DIN on use the black push button to tap a tempo he next rising edge trigger The EXT CLOCK After the third tap a start byte and gate is input is a switching type jack that overrides created automatically he other sync settings With analog clocks the matter is also pretty straight forward the clock signal con ists of a pulse or Square wave that syncs the tempi Starting and stopping can be solved through various approaches most of them include a st
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