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Operation Manual 

 
 

 

 
 
 
 
 
 
 

 

Summary of Contents for Mopho Keyboard

Page 1: ...Operation Manual...

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Page 3: ...Mopho Operation Manual Version 1 1 August 2010 Dave Smith Instruments 1210 Cabrillo Hwy N Half Moon Bay CA 94019 1449 USA 2010 Dave Smith Instruments www DaveSmithInstruments com...

Page 4: ...nd 2 this device must accept any interference received including interference that may cause undesired operation This Class B digital apparatus meets all requirements of the Canadian Interference Caus...

Page 5: ...r 21 Modulators 26 Miscellaneous Modulators 27 Clock 28 Miscellaneous Parameters 30 Modulation Sources 32 Modulation Destinations 33 Using USB 35 Using Audio In 37 Using Poly Chain 38 Support 41 MIDI...

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Page 7: ...am 1 to scroll quickly through the programs Param 2 changes banks There are 3 banks of 128 programs If you want to edit a program just turn any knob The new value will be displayed in the bottom line...

Page 8: ...affects the sound what an ADSR envelope looks like and so on Fortunately these days it is quite easy to find such resources on the Internet If you want to learn the lingo and the basics just try a sea...

Page 9: ...r increased polyphony For details see Using Poly Chain on page 38 Note When Poly Chain is turned off in the Global menu the Poly Chain output simply mirrors the MIDI Out and transmits the same data Su...

Page 10: ...be used to advance the sequencer when Seq Trigger is set to Audio In See Sequencer on page 21 for more information Left Out Right Out Mopho s unbalanced left and right outputs Phones A inch stereo he...

Page 11: ...performance oriented are found in the Miscellaneous Parameters section The front panel is arranged so that the basic signal path components are in order from left to right in the row closest to the ke...

Page 12: ...edit mode and global mode Also used to confirm or cancel abort an operation Push It Push It is a manual trigger Its behavior depends upon the Push It Mode Note and Velocity settings which are programm...

Page 13: ...d on the LCD with the programmed value on the top line and the new edited value on the bottom line That is edit mode To exit edit mode and return to program mode just press Program To enter global mod...

Page 14: ...GAIN FEEDBACK EXT IN VOLUME FEEDBACK SUB 1 VOLUME SUB 2 VOLUME VCA PAN L R VOLUME AUDIO OUT NOISE VOLUME SUBOSC OSC 2 SUBOSC NOISE FILTER OSC MIX AUDIO IN MOPHO SIGNAL FLOW DIAGRAM Modulation routing...

Page 15: ...received and transmitted MIDI Parameter Send NRPN CC Off Changes to the values of Mopho s front panel controls are transmitted via MIDI as Non registered Parameter Number NRPN controllers or as Conti...

Page 16: ...cts when the programmable parameters are edited Master volume is not programmable so these modes don t apply When set to Relative changes are relative to the stored setting In Relative mode the full v...

Page 17: ...Out Velocity Curve 1 4 Sets one of the four velocity curves for the keyboard to adjust the velocity response to your playing style Pressure Curve 1 4 Sets one of the four pressure curves for the keybo...

Page 18: ...ogram in desktop Mopho format CurrentProgTetra Dump the current program in Tetra format Current Bank P08 Dump the current bank in Prophet 08 format CurrentBankMopho Dump the current bank in desktop Mo...

Page 19: ...oscillators Frequency C 0 C 10 Sets the base oscillator frequency over a 10 octave range from 8 Hz to 8KHz stepping in semitones C3 is middle C the first octave is 0 C0 C 0 etc the second octave is 1...

Page 20: ...ers section Oscillator Sync Off On Turns oscillator hard sync on With sync on whenever oscillator 2 resets oscillator 1 is forced to restart Oscillator 1 Oscillator 2 Oscillator 1 synced to Oscillator...

Page 21: ...occurs when playing legato Pitch Wheel Range 0 12 Sets the bend range in semitones of the pitch wheel The setting is the range in the positive or negative direction For example a setting of 7 lets you...

Page 22: ...In the feedback loop is broken and the audio is processed by Mopho s filter and VCA In conjunction with the gain control Audio In will accept a fairly wide range of signal levels from low level source...

Page 23: ...nance 0 127 Emphasizes a narrow band of frequencies around the cutoff frequency In 4 pole mode high levels of resonance can cause the filter to self oscillate In 2 pole mode resonance is much more sub...

Page 24: ...time the envelope is gated on and when the Attack portion actually begins Attack 0 127 Sets the attack time of the selected envelope s Decay 0 127 Sets the decay time of the selected envelope s Sustai...

Page 25: ...Sample and Hold The waveshape of the LFO Sample and Hold generates a random value that changes once per cycle Frequency 0 150 Sets the LFO frequency Speed ranges from slow 30 seconds to very fast at 9...

Page 26: ...ep 2 3 Step Two cycles every three steps 1 2 Step Two cycles per step 1 3 Step Three cycles per step 1 4 Step Four cycles per step 1 6 Step Six cycles per step 1 8 Step Eight cycles per step 1 16Step...

Page 27: ...equencer may not even affect the pitch In Mopho terms a sequence is just a series of events at timed intervals that changes the value of one of the synth s parameters in discrete steps Because the fou...

Page 28: ...ust be set at the same step in all four sequences to shorten all the sequences equally The following illustration shows an example in which all the sequences are eight steps in length 1 2 3 4 1 2 3 4...

Page 29: ...tep value r rest R Reset Dest 1 Dest 2 Dest 3 Dest 4 10 11 12 13 14 15 16 S e q u e n c e Programming the Sequencer Programming the sequencer is easy but there are a few things to consider before you...

Page 30: ...ate and one common application is to create a glide aka portamento effect between notes Among the possible destinations for Mopho sequences two and four is a sequence only parameter called Slew Slew b...

Page 31: ...ively free running No Gate The keyboard gates the envelopes but the sequencer does not The sequencer resets to step one each time a new note is played NoGateNR As above but the sequencer does not rese...

Page 32: ...ditional mod sources available here such as Noise allowing a wide variety of possibilities To configure a general purpose modulation slot select Modulators and choose the appropriate modulator 1 2 3 o...

Page 33: ...et started Source Mod Wheel MIDI CC 1 Pressure Breath Controller MIDI CC 2 Velocity Foot Controller MIDI CC 4 Selects the modulation source The source can also be changed using the 1 4 button though t...

Page 34: ...hest to lowest 2 Octaves Up Down Plays keyed notes and the same notes one octave higher from lowest to highest and back to lowest 2 Octaves Assign Plays a keyed note then the same note one octave high...

Page 35: ...PM Also affects the LFO frequency when LFO Clock Sync is on Clock Divide works with both internal and external clock sources The following table lists the Clock Divide values Display Tempo Timing Divi...

Page 36: ...elected a character blinks to indicate that it is active To edit the character use the Value knob the Param 2 knob or the Yes or No switches Use the Param 1 knob to edit another character Oscillator S...

Page 37: ...a certain fixed level the gate will go on When it drops below that level the gate will go off Push It Note C0 C10 Sets the note that plays when Push It is pressed Push It Velocity 0 127 Sets the MIDI...

Page 38: ...LFO 4 Filt Env1 Filter Envelope VCA Env 2 Amp VCA Envelope Envelope3 Envelope 3 PitchBend Pitch Bend Mod Wheel Mod Wheel Pressure Pressure Aftertouch MidBreath MIDI Breath Controller Midi Foot MIDI Fo...

Page 39: ...ency LFOAllFreq All LFO Frequencies LFO 1 Amt LFO 1 Amount LFO 2 Amt LFO 2 Amount LFO 3 Amt LFO 3 Amount LFO 4 Amt LFO 4 Amount LFOAll Amt All LFO Amounts Env 1 Amt Envelope 1 Amount Level Env 2 Amt E...

Page 40: ...ount Mod 4 Amt Modulator 4 Amount Fback Vol Feedback Volume Sub Osc 1 Sub Oscillator 1 Level Sub Osc 2 Sub Oscillator 2 Level Fback Gain Feedback Gain Slew Sequencer Slew Appears as a destination in s...

Page 41: ...on USB Notes Under Mac OS X Mopho will appear as a MIDI port when connected via USB and can be configured using the Mac s Audio MIDI Setup application typically found in Applications Utilities Under W...

Page 42: ...while a program has the Mopho port open you may have to resync That usually means going to the USB Audio Device or DSI Mopho Properties as in the procedure above and clicking OK If Mopho is no longer...

Page 43: ...but then you start to run out of hands There are two programs in Bank 1 demonstrating ways in which to use Audio In Ext In Env Filt Bank 1 Program 127 is a simple envelope filter VCA Level is turned a...

Page 44: ...Gain control is not programmable and may need to be tweaked manually to match the Mopho Keyboard Programs that don t use feedback sound the same on both models The Prophet does not have feedback or su...

Page 45: ...clock set MIDI Clock Global menu on the master and any intermediate units to MIDI In Out Set the last instrument in the chain to MIDI In When Poly Chain is set to Off the Poly Chain MIDI out jack sim...

Page 46: ...s Poly Chain Out Mopho Kybd Out 5 MIDI In Mopho 13 Voices Poly Chain Out Mopho Kybd Out 12 MIDI In Poly Chain Out Tetra InOut8 MIDI In Prophet In 13 Voices Poly Chain Out Mopho Kybd Out 12 MIDI In Pol...

Page 47: ...DI connections MIDI and USB cables and see if the problem persists You can also monitor the MIDI traffic with MIDI Monitor Mac OS or MIDI OX Windows to see if Mopho is being overrun with duplicate mes...

Page 48: ...getting your Mopho repaired For your own protection as well as ours please do not return any product to Dave Smith Instruments without a return authorization RA number To issue an RA number Technical...

Page 49: ...d MIDIn Out MIDI clock is received and transmitted MIDI Parameter Send NRPN CC Off Changes to the values of Mopho s front panel controls are transmitted via MIDI as Non registered Parameter Number NRP...

Page 50: ...ved Controller Messages Status Second Third Description 1011 nnnn 1 0vvvvvvv Mod Wheel directly assignable controller 1011 nnnn 2 0vvvvvvv Breath Controller directly assignable controller 1011 nnnn 4...

Page 51: ...e Transmitted Controller Messages Status Second Third Description 1011 nnnn 0000 0001 0vvvvvvv Mod Wheel 1011 nnnn 0000 0010 0vvvvvvv Breath Controller when assigned to Pedal CV 1011 nnnn 0000 0100 0v...

Page 52: ...ine 25 Osc 2 Shape 26 Glide 2 27 Osc Mix 28 Noise Level 29 Sub Oscillator 1 30 Sub Oscillator 2 31 Filter Frequency 102 Resonance 103 Filter Key Amt 104 Filter Audio Mod 105 Filter Env Amt 106 Filter...

Page 53: ...ameter value LSB CC 0vvv vvvv Parameter value LSB The parameter number can be found in the two tables below one for Global parameters and the other for Program parameters The parameter numbers and the...

Page 54: ...d Global Parameter Data The following table shows the Global data that is sent and received on global parameter dumps and the corresponding NRPN number when sent received individually Param NRPN Range...

Page 55: ...397 0 3 Damper Polarity 0 Sustain normally open 1 Sustain normally closed 2 Arpeggiator latch normally open 3 Arpeggiator latch normally closed 14 396 0 5 Pedal Destination 0 Foot Control 1 Breath Co...

Page 56: ...tor 1 Keyboard Off On 5 114 0 127 Sub Oscillator 1 Level 6 5 0 120 Oscillator 2 Frequency 0 120 in semitones 10 octave range 7 6 0 100 Oscillator 2 Fine Tune 0 50 cents 50 0 centered 100 50 cents 8 7...

Page 57: ...ice Volume 42 37 0 166 LFO 1 Frequency 0 150 un synced frequencies 151 Sequence speed divided by 32 152 Sequence speed divided by 16 153 Sequence speed divided by 8 154 Sequence speed divided by 6 155...

Page 58: ...ack 67 62 0 127 Envelope 3 Decay 68 63 0 127 Envelope 3 Sustain 69 64 0 127 Envelope 3 Release 70 98 0 1 Envelope 3 Repeat Off On 71 65 0 22 Mod 1 Source See Modulation Source list below 72 66 0 254 M...

Page 59: ...6 0 5 Key Assign Mode 0 Low note priority 1 Low note priority with re trigger 2 High note priority 3 High note priority with re trigger 4 Last note hit priority 5 Last note hit priority with re trigge...

Page 60: ...ion list below 108 78 0 48 Sequence 2 Destination See Modulation Destination list below 109 79 0 48 Sequence 3 Destination See Modulation Destination list below 110 80 0 48 Sequence 4 Destination See...

Page 61: ...r Frequency 9 Resonance 10 Filter Audio Mod Amt 11 VCA Level 12 Pan Spread 13 LFO 1 Freq 14 LFO 2 Freq 15 LFO 3 Freq 16 LFO 4 Freq 17 All LFO Freq 18 LFO 1 Amt 19 LFO 2 Amt 20 LFO 3 Amt 21 LFO 3 Amt 2...

Page 62: ...uences 2 and 4 only Mod Sources Value Off 0 Sequence Track 1 1 Sequence Track 2 2 Sequence Track 3 3 Sequence Track 4 4 LFO 1 5 LFO 2 6 LFO 3 7 LFO 4 8 Filter Envelope 9 Amp Envelope 10 Envelope 3 11...

Page 63: ...ise 0vvvvvvv Channel Number 0 15 0000 0110 Inquiry Message 0000 0010 Inquiry Reply 0000 0001 DSI ID 0010 0111 Mopho Keyboard ID Family LS 0000 0001 Family MS 0000 0000 Family Member LS 0000 0000 Famil...

Page 64: ...0000 System Exclusive SysEx 0000 0001 DSI ID 0010 0111 Mopho keyboard ID 0000 1110 Request Global Parameter Transmit 1111 0111 End of Exclusive EOX Mopho will respond by sending out the current values...

Page 65: ...ump is not recognized when received it is only transmitted when requested NRPN messages are used to change Globals Packed Data Format Data is packed in 8 byte packets with the MS bit stripped from 7 p...

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Page 68: ...Dave Smith Instruments 1210 Cabrillo Hwy N Half Moon Bay CA 94019 1449 USA www DaveSmithInstruments com...

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