MoltenVoltage OSMOSIS User manual

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v 1.6
OWNER’S MANUAL
Congratulations on purchasing OSMOSIS™ by Molten Voltage
OSMOSIS™ is a simple-to-use MIDI Mapper and Filter that responds to MIDI Program Changes
by sending out up to 5 different Program Changes as well as 16 Control Change or Note On messages all
on separate MIDI Channels. OSMOSIS can also actively filter various types of incoming MIDI data, re-
map an expression controller, and rectify running status data.
OSMOSIS uses Molten Voltage’s SIMI as its display for programming. Once programmed,
OSMOSIS runs independently.
Key Features
• A powerful, yet simple-to-use MIDI Mapper
and Filter for your PedalBoard
• Greatly expands the functionality of simple
MIDI Controllers
• Sends up to 5 Program Changes in response
to each of 128 MIDI programs
• Sends up to 16 Control Change or Note on
Messages in response to each of 128 MIDI
programs
• Re-maps expression controllers to a different
controller value and MIDI channel for each
program
• Seamlessly merges incoming MIDI data
including MIDI Clock
• Filters incoming MIDI data of your choice
• MIDI Clock filtering can be activated for
individual programs
• Rectifies MIDI data received in the Running
Status format
•Simple to Program using SIMI, Molten
Voltage’s PedalBoard MIDI Display
• Works with any MIDI Controller
• Compact design for modular PedalBoard
layouts
• Solid, Professional-Grade construction,
including Riveted Steel MIDI Jacks

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OSMOSIS™
Owner’s Manual - p.2
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CONNECTING
Plug in a separate or isolated 9 volt, 2.1mm, 100mA minimum, tip negative DC Power supply into
the DC Power Jack (B). Never power OSMOSIS using a "daisy chained" power supply that is also
connected to audio effects.
(A) MIDI OUT Jack
(B) DC Power Jack
(C) MIDI IN Jack
(D) LED
(E) Knob/Button
MIDI Output
Connect a standard 5-pin MIDI cable from the MIDI OUT Jack (A) to the MIDI IN Jack on your
compatible device.
MIDI Input
Connect a standard 5-pin MIDI cable from the device sending MIDI Program Changes to the MIDI
IN Jack (C) on OSMOSIS.
When a Program Change is received on the correct MIDI Channel, OSMOSIS displays the stored
message.

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OSMOSIS™
Owner’s Manual - p.3
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Programming
OSMOSIS must be connected to Molten Voltage’s
SIMI Modular PedalBoard Display during programming.
You will also need a MIDI Controller which sends Program Changes.
Setup
1) Connect your MIDI Controller’s MIDI OUT jack to the MIDI IN jack on OSMOSIS.
2) Connect the MIDI OUT jack on OSMOSIS to the MIDI IN jack on SIMI.
3) Connect the MIDI THRU jack on SIMI to your MIDI gear that OSMOSIS will control.
4) Set the MIDI Channel on your MIDI Controller to the same MIDI Channel as OSMOSIS.
Note: You can change the MIDI Channel on OSMOSIS as described in the Global Variables section,
below.
Program Copy Mode
Copying programs from one location to another is simple.
First, send OSMOSIS the program number that you want to edit.
To enter Program Copy Mode, hold down the button. You will first see the message “HOLD TO
*EDIT*”. If you release the button too soon, the message “NOT LONG ENOUGH.” will be displayed.
After 0.5 seconds, the message “RELEASE TO COPY” will appear. Release the button. The
message “COPY [program number to copy from] TO [current program number]” will appear.
Note: If you continue to hold for 2 seconds you will see the message “EDIT MODE ON” and you
will enter Program Edit Mode when the button is released. Program Edit Mode is described
in the next section.
Once in Program Copy Mode, turn the knob to select the program number that will be copied to the
current program location.

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OSMOSIS™
Owner’s Manual - p.4
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Note: During Program Copy Mode, all incoming MIDI data is blocked except Program Changes on
the proper MIDI Channel. You can change the destination program by sending a
Program Change on the right MIDI Channel while in Program Copy Mode.
Holding the button for about 2 seconds causes OSMOSIS to exit Program Copy Mode and display
the message “CHANGES *SAVED*”. Once that message is displayed, OSMOSIS has returned to normal
operation and can be disconnected from SIMI.
Note: If you attempt to copy a program to its same location, or if the copy source program is
“OFF”, you will received the message “COPY ABORTED”.
Program Edit Mode
Enter Program Edit Mode to change the way OSMOSIS responds to incoming MIDI data. During
Program Edit Mode, you will adjust the Program Variables described in the next section. Each Program
Variable is separately stored for each MIDI Program.
First, send OSMOSIS the program number that you want to edit.
To enter Program Edit Mode, hold down the button. You will first see the message “HOLD TO
*EDIT*”. If you release the button too soon, the message “NOT LONG ENOUGH.” will be displayed.
After 0.5 seconds, the message “RELEASE TO COPY” will appear. If you release the button, you
will enter Program Copy Mode, described in the previous section.
Once you hold the button long enough (about 2 seconds), the message “EDIT MODE ON” appears.
Release the button to enter Program Edit Mode.
Pressing the button quickly cycles OSMOSIS through its Program Variables in the order shown
below. Turning the knob adjusts the value of the variables.
Note: If you hold the button down, then turn the knob while holding, you can quickly cycle
through the Program Variables.
Each time a Program Change, Control Change, or Note On message value is changed,
OSMOSIS sends the corresponding MIDI data for the modified message. This allows you to
monitor the changes made by OSMOSIS while programming.
Note: All incoming MIDI data is blocked during Program Edit Mode. As such, you must switch to
the desired program before entering Edit Mode.
Holding the button for about 2 seconds without turning the knob causes OSMOSIS to exit Program
Edit Mode and display the message “CHANGES *SAVED*”. Once that message is displayed, OSMOSIS has
returned to normal operation and can be disconnected from SIMI.

Molten Voltage™
OSMOSIS™
Owner’s Manual - p.5
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Program Variables
Program Change Send Values
OSMOSIS will send up to five (5) Program Changes in response to an incoming Program Change. The 5
outgoing program changes are labeled A-E.
Display: PC-[A-E]
Range: 1-128 and OFF
Function: Sets the value of an outgoing Program Change [A-E]. If set to OFF, then no Program
Change is sent.
Note: When programming OSMOSIS, you only ever see the first OFF value. OSMOSIS
skips all other outgoing program changes that are OFF.
Default: PC-A is the current Program Value, PC-[B-E] are OFF.
Program Change MIDI Channels
OSMOSIS will send up to five (5) Program Changes in response to an incoming Program Change. The 5
outgoing Program Changes are labeled A-E. Each outgoing Program Change can be sent on any MIDI
channel.
Display: CHAN.
Range: 1-16 and OFF
Function: Sets the MIDI Channel for an outgoing Program Change [A-E].
Default: MIDI Channel 1
Bank Select
Some MIDI devices use more than 128 programs. These additional programs are accessed using a “Bank
Select” command, which is either Control Change 0, Control Change 32, or both, depending on the
manufacturer.
The next section describes how to send Control Changes.
OSMOSIS always sends Control Changes 0 and 32 before sending any Program Changes.
OSMOSIS sends these “Bank Select” commands in the order they are programmed.
Consult the manual for the device you wish to control for more information on using “Bank Select”
commands

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OSMOSIS™
Owner’s Manual - p.6
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Control Change Controller or Note On Values
OSMOSIS will send up to sixteen (16) Control Changes / Note On messages in response to an incoming
Program Change. The 16 outgoing Control Change / Note On messages are labeled A-P.
Display: [CC or NO]-[A-P]
Range: 0-127 and OFF
Function: Sets the outgoing Controller or Note value of an outgoing message [A-P]. If set to OFF,
then no message is sent.
Note: When programming OSMOSIS, you only ever see the first OFF value. OSMOSIS
skips all other messages that are also OFF.
Default: CC-[A-P] are OFF.
Table of MIDI Note On Values
Octave C C# D D# E F F# G G# A A# B
-2 01234567891011
-1 12 13 14 15 16 17 18 19 20 21 22 23
024 25 26 27 28 29 30 31 32 33 34 35
136 37 38 39 40 41 42 43 44 45 46 47
248 49 50 51 52 53 54 55 56 57 58 59
360
61 62 63 64 65 66 67 68 69 70 71
472 73 74 75 76 77 78 79 80 81 82 83
584 85 86 87 88 89 90 91 92 93 94 95
696 97 98 99 100 101 102 103 104 105 106 107
7108 109 110 111 112 113 114 115 116 117 118 119
8120 121 122 123 124 125 126 127
Note 60 is always "Middle C", and all other notes are relative. The absolute octave numbers shown
above are based on Middle C = C3.
Various models of MIDI devices and software programs use different octave numbers for note
names. If your MIDI software/device considers 0 the lowest octave of the MIDI note range, then middle C
is C5, and the highest possible note is G10 (Note 127).
MIDI Note 69 is used for A440 tuning, that is the A note above middle C.

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OSMOSIS™
Owner’s Manual - p.7
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Message Send Type (Note On or Control Change)
Display: NOTE ON [NOTE] or CONTROL [CC]
Range: NOTE or CC
Function: Determines whether an outgoing message [A-P] is a Control Change or Note On.
Note: When programming this variable, the asterisk (*) will move back and forth between
NOTE and CC. When programming the message Send Value (above), OSMOSIS will
instead display “NOTE ON” or “CONTROL”.
Default: CC (Control Change)
Control Change Data Value or Note On Velocity
OSMOSIS will send up to sixteen (16) Control Change / Note On messages in response to an incoming
Program Change. The 16 outgoing Control Change / Note On messages are labeled A-P.
Display: VEL. or VAL.
Range: 0-127
Function: Sets the Data Value of a Control Change message or the Velocity of a Note On message.
Note: A Velocity of zero is treated as a "Note Off" message.
Default: 127 (Max.)
Control Change or Note On MIDI Channels
OSMOSIS will send up to sixteen (16) Control Changes / Note On messages in response to an incoming
Program Change. The 16 outgoing Control Change / Note On messages are labeled A-P.
Each outgoing Control Change or Note On message can be sent on any MIDI channel.
Display: CHAN.
Range: 1-16 and OFF
Function: Sets the MIDI Channel for an outgoing Control Changes / Note On Message [A-P].
Default: MIDI Channel 1

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OSMOSIS™
Owner’s Manual - p.8
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Expression Controller 1 and 2 Destination
OSMOSIS can change the Controller Number and MIDI Channel of an incoming Expression Controller. The
incoming Controller Value is Global Variable EXP. MAP CC., described below.
Display: EXP[1 or 2]. MAP DEST.
Range: 0-127
Function: Sets the outgoing Expression Controller Value. This is the value that replaces the incoming
expression controller value (Global Variable EXP. MAP CC.).
Note: If the Global variable EXP. MAP CC. is set to OFF, EXP. MAP DEST. is not used.
Default: CC 11
Note: Osmosis versions 1.04 and earlier map a single expression controller
Expression Controller 1 and 2 Outgoing MIDI Channel
OSMOSIS can change the Controller Number and MIDI Channel of an incoming Expression Controller. The
incoming Controller Value is Global Variable EXP. MAP CC., described below.
Display: EXP[1 or 2]. MAP CHAN.
Range: 1-16
Function: Sets the outgoing MIDI channel for the re-mapped expression controller.
Note: If the Global variable EXP. MAP CC. is set to OFF, EXP. MAP CHAN. is not used.
Default: MIDI Channel 1
Pass or Block incoming MIDI Clock Data
Display: CLOCK BLOK.
Range: ON (Pass) and OFF (Block)
Function: If ON, then MIDI Clock is blocked for the current program.
Note: MIDI Clock data means MIDI Clock, Start, Stop, and Continue messages.
Note: When Global CLOCK BLOK. is ON, this variable is not used.
Default: OFF (Pass incoming MIDI Clock Data)

Molten Voltage™
OSMOSIS™
Owner’s Manual - p.9
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Global Variables
Global Variables affect the way OSMOSIS works for every program.
To access Global Variables, hold down the button while powering OSMOSIS on and the message
“EDIT GLOBALS” will be displayed until you release the button.
Pressing the button quickly will cycle OSMOSIS through its Global Variables in the order shown
below. Turning the knob will adjust the value of the Global Variable.
Holding the button causes OSMOSIS to exit and return to normal operation.
MIDI Receive Channel
Display: MIDI RCV CH.
Range: 1-16 and OMNI
Function: Sets the MIDI Channel to which OSMOSIS responds. This is the MIDI Channel to send
Program Changes to OSMOSIS, and the channel for your incoming Expression Controller.
MIDI RCV CH. also interacts with BlockWrongChannel, in that this is the RIGHT Channel
which is not blocked when passing through Program Changes, Control Changes, and
Keyboard Data.
Default: MIDI Channel 15
Expression Controller Sources
OSMOSIS can change the Controller Number and MIDI Channel of two incoming Expression Controllers.
The outgoing Controller Values and MIDI Channel are set for individual programs by the variables EXP[1 or
2].MAP DEST., and EXP[1 or 2].MAP CHAN. described above.
Display: EXP[1 or 2].MAP CC.
Range: 0-127 and OFF
Function: Sets the Expression Controller Value that gets re-mapped by EXP[1 or 2].MAP. This is
preset to Controller Value 1 (Modulation Wheel). The incoming Controller must also be on
the MIDI RCV CH. Re-mapping can also be turned OFF.
Note: If EXP[1 or 2].MAP is ON, then the selected Controller will be re-mapped even if
PASS CC THRU. is OFF.
Note: If EXP[1 or 2].MAP is ON _and_ PASS CC THRU. is ON, only the re-mapped value will
be sent (the original value will not be passed through).
Default: CC 1 (Modulation Wheel)

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OSMOSIS™
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Pass or Block incoming data on the Wrong Channel
Display: PASS ALL CHAN.
Range: ON (Pass) and OFF (Block)
Function: Interacts with PASS CC THRU., PASS PC THRU., and PASS KEY DATA. to determine whether
to pass only the data on the MIDI RCV CH. or to pass such data on any channel.
Note: If MIDI RCV CH. is set to OMNI, then this Global setting has no effect.
Default: OFF (Block incoming data on the Wrong Channel)
Pass or Block incoming Control Change Data
Display: PASS CC THRU.
Range: ON (Pass) and OFF (Block)
Function: Determines whether or not incoming Control Changes are passed through.
If ON, then data on the MIDI RCV CH. will be passed. If PASS ALL CHAN. is ON, or if MIDI
RCV CH. is set to OMNI, then data on any MIDI channel will be passed through.
Note: EXP. MAP CC. will still function even if PASS CC THRU. is OFF.
Default: OFF (Block incoming Control Changes)
Pass or Block incoming Program Change Data
Display: PASS PC THRU.
Range: ON (Pass) and OFF (Block)
Function: Determines whether or not incoming Program Changes are passed through.
If ON, then data on the MIDI RCV CH. will be passed. If PASS ALL CHAN. is ON, or if MIDI
RCV CH. is set to OMNI, then data on any MIDI channel will be passed through.
Default: ON (Pass incoming Program Changes)