RETROAKTIV MPG-50 USER MANUAL
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DESTINATIONS AN D ROUTING
DESTINATIONS AN D ROUTING
Each of the 7 ASSIGN sources has 5 available destinations (parameters on the MKS-50) it can control. Each
parameter being controlled by an assign has its own range, polarity, UNIT destination (Unit 1, 2, or BOTH), and
layer destination (UPPER/LOWER/BOTH)
• • Dest (1-5)
Dest (1-5): Selects which destination is being edited in the ASSIGN menu.
• • PARAM
PARAM: Selects which parameter will be the current destination.
• • MIN
MIN: sets the minimum value of the current assign destination.
• • MAX
MAX: sets the maximum value of the current assign destination.
• • UNIT
UNIT: Selects which units the current destination will be routed to.
• • INVERT/NORMAL
INVERT/NORMAL: Sets the direction (up or down) this parameter value will move in when the SOURCE value
is changed.
For example, if we use CTRL A as a SOURCE, then select Filter Cutoff as Destination 1, moving the CTRL A slider
will affect the Filter Cutoff parameter. To set the range of the filter control, we select the MIN and MAX values.
If MIN = 50 and MAX = 75, then moving the CTRL A slider from bottom to top of its travel, will sweep the Filter
Cutoff between 50 and 75. If we want the response to be inverted, so moving the CTRL A slider up sweeps the
Filter Cutoff down from 75 to 50, then INVERT can be selected.
All of the 5 destinations within each ASSIGN can be routed in this way to any parameters on the synth. This
allows the user to create complex real-time modulations, which would normally require many hands or many
overdubs to accomplish, in a single movement.
To deactivate an ASSIGN layer, simply select NONE as the destination in a layer, and the routing will be
deactivated for that layer.
There are a few guidelines to follow to maximize the MIDI performance of the MPG-50 when using assigns.
An ASSIGN has the potential to generate large amounts of MIDI data. If you’re using an ASSIGN with 5 layers,
which is routed to BOTH units, this will generate 10 MIDI sysex messages with each movement of the ASSIGN
source. This amount of midi data can take many tens of milliseconds to transmit to the synthesizer. If using
many large ASSIGNs at one time, it may even be possible to overflow the synth’s MIDI buffer (Which holds
incoming MIDI messages while the synth processes each one in the buffer).
ASSIGN Enable & Disable
ASSIGN Enable & Disable - Pressing the ASSIGN button will alternate between the ASSIGN menu and the ASSIGN
Enable menu. Each of the 7 assigns has its own global enable, allowing you to turn the assigns on only when
you wish to use them.
Clearing all ASSIGNs
Clearing all ASSIGNs - To clear all ASSIGN data, navigate to the ASSIGN menu, then press [SHIFT]+[PATCHGEN].
