Dave Smith Instruments Mopho Keyboard User manual
Operation Manual
Mopho
Operation Manual
Version 1.0
September 2008
Dave Smith Instruments
1590 Sylvaner Avenue
Saint Helena, CA 94574-2340
USA
©2008 Dave Smith Instruments
www.DaveSmithInstruments.com
Tested To Comply
With FCC Standards
FOR OFFICE USE
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference and
(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-Causing Equipment Regulations.
Cet appareil numerique de la classe B respecte toutes
les exigences du Reglement sur le materiel brouilleur du
Canada.
For Technical Support, email: support@davesmithinstruments.com
Contents
Quick Start................................................................................................. 1
Getting Connected ....................................................................................3
Front Panel Controls .................................................................................5
Basic Operation.........................................................................................9
Global Parameters ..................................................................................13
Program Parameters...............................................................................15
Oscillator Parameters ..........................................................................15
Miscellaneous Oscillator Parameters ..................................................16
Mixer Parameters ................................................................................17
Low-pass Filter Parameters.................................................................17
VCA Parameters..................................................................................18
LFO Parameters ..................................................................................19
Envelope 3 Parameters .......................................................................20
Modulation Parameters .......................................................................21
Push It Switch Parameters ..................................................................22
Clock Parameters ................................................................................23
Arpeggiator Parameters ......................................................................23
Sequence Parameters......................................................................... 24
Name Parameter .................................................................................25
Modulation Destinations.......................................................................... 26
Modulation Sources ................................................................................28
Parameter List.........................................................................................29
MIDI Implementation ...............................................................................30
MIDI Messages....................................................................................30
NRPN Messages .................................................................................33
Global Parameter Data........................................................................34
Program Parameter Data ....................................................................35
Sysex Messages ................................................................................. 41
Packed Data Format............................................................................ 44
Hidden Function ......................................................................................44
1
Quick Start
Thanks for purchasing your Mopho synthesizer! Listen to the sounds, twiddle
some knobs, have some fun!
Please Register!
Please go to www.davesmithinstruments.com and register your synth. If you
purchased directly from us, there is no need to register — we already have your
contact information.
Powering Up
So, plug in the power supply, connect (in stereo!!) to your mixer/sound system,
and start playing!
You can use the PUSH ITswitch to trigger sounds without a keyboard. If you’re
using a MIDI keyboard, try applying keyboard pressure (aftertouch) and the
mod wheel. Many sounds are fairly simple at first, then come alive when you
use the controllers. With other sounds, you may need to hold the notes a while to
let the sound unfold. Playing in different ways has a big effect on the programs.
Selecting and Editing Programs and Global Settings
You can use the increment and decrement (+ and -) switches to step through the
programs. Hold them down briefly to increment or decrement the bank. 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 of the LCD (the top line displays the programmed
value for handy reference).
After turning knobs, just hit PROGRAM MODE so the LCD goes back to the
program/bank screen, allowing you to change programs again.
Press and hold the PROGRAM MODE switch briefly to display the Global menu
and change higher level parameters such as MIDI channel number,
Transpose/Detune, and so on. The PROGRAM knob changes the displayed page
and increment and decrement change the values. These settings are remembered
when the synth is turned off.
Summary
You should be up and running now; for more operation information, read on. Or,
just look up specific parameters for detailed notes. Pages 26 through 28 contain
a handy reference for mod destinations and sources. At some point you should
2
read through the manual to discover all the little features that you might not
notice at first.
Don’t forget you get a free editor for Mac OS or Windows with your purchase.
Download it from www.soundtower.com/mopho.
I should mention that this manual does not include explanations of basic analog
synthesizer functions. It assumes you already know what an oscillator is, how a
low-pass filter 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 search in Google (or the
search engine of your choice), something like “analog synthesizer tutorial.”
You’ll find plenty of good reading material.
Have fun!
Dave Smith
Special thanks to:
Jeff Koepper, Andrew McGowan, Dave Polich, and Stefan Trippler. Thanks also
to the authors of the Prophet ’08 programs, many of which are used in Mopho.
3
Getting Connected
Mopho has several inputs and outputs on its back panel.
Power Input — Connect the power supply included with your Mopho. The
power supply comes with different AC adaptor prongs that allow it to work
anywhere in the world. If for whatever reason you need to use a different supply,
it must match the specifications printed on the front panel.
Note: The power supply label says “Evolver” on it; we use the same
supply for the mono Evolvers and the Prophets.
MIDI In — To receive MIDI data from another device, connect this to the other
device's MIDI Out.
MIDI Out — To send MIDI data to another device, connect this to the other
device's MIDI In. This output can also be configured as a MIDI Thru using the
MIDI Out Select parameter in the Global menu.
Audio In — Mopho can be used as a signal processor. Audio is routed through
the filter and envelopes and, when the signal level is high enough, a gate is
generated. Audio can also be used to advance the sequencer when Seq Trigger is
set to Audio In.
Note: Though Mopho can process external audio, it does not have a pitch
detector, so the oscillators do not track the pitch of the source audio.
Audio Out — Mopho’s unbalanced, stereo outputs.
Phones — A 1/4 inch stereo headphone jack.
4
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