Korg NAUTILUS Series, Parameter Manual, Page: 285 / 961

PROGRAM > MS-20EX: Patch Panel 6–1: Patch Panel
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7. Connect the ENV OUT jack to the VCA’s INITIAL
GAIN jack.
This makes the VCA level follow the amplitude of the ESP’s
signal, as generated by the envelope follower.
8. Connect the F×V CV OUT jack to the VCO 1+2 CV
IN jack (or the VCO 2 CV IN jack).
This makes the pitch of the VCOs follow the pitch of the
ESP’s signal.
9. In the BAND PASS FILTER, set the LOW CUT
FREQ to 10.00 and HIGH CUT FREQ to 0.00.
10.Play the highest note the ESP is to pick up, and slowly
increase the HIGH CUT until the desired pitch is
picked up.
11.Play the lowest note and slowly decrease the LOW
CUT until the note is picked up.
These measures help to refine the CV converter’s response
to the input signal.
12.Set the CV ADJUST control so that the pitch matches
that of the input instrument.
The MS-20EX should now respond to the audio input, as if
you were playing on the keyboard.
6–1l: Parameter Details
The parameter details box shows different information
depending on whether the current selection is an input or
output jack, a knob, or one of the two assignable mod
sources (the wheel and switch).
Input and Output Jacks
If a jack is selected, this area shows the name of the selected
jack on the top line, and the jack(s) to which it is connected
on the bottom line, to the right of the arrow. If nothing is
connected to the jack, the bottom line reads “(No
Connection).”
If the selected jack is an output connected to multiple inputs,
only the first connection is shown, followed by an ellipse.
Disconnect button
Pressing the Disconnect button clears all cables connected
to the jack.
Mod Wheel and Mod Switch
In addition to the functionality described under “Input and
Output Jacks,” above, these jacks allow you to select any
AMS source, use Intensity to scale the signal, and then route
it into the patch panel.
Note that the Mod Switch can use any AMS source,
including continuous sources such as LFOs and EGs; it is
not limited to on/off switches.
AMS [List of AMS Sources]
This selects the modulation source to route into the patch
panel. For a list of AMS sources, see “Alternate Modulation
Source (AMS) List” on page 901.
Important : on the original MS-20, the Mod Wheel was a
bipolar modulation source–meaning that the center position
produced no modulation, moving down from the center
made the value lower, and moving up from the center made
the value higher.
The MS-20EX has a number of bipolar modulation sources,
including the LFOs, EGs 3-6, and the Common Step
Sequencer. JS+Y (the equivalent of the Mod Wheel), on the
other hand, is unipolar.
You can use an AMS Mixer to convert JS+Y into a bipolar
signal, if you like. To do so:
1. On the AMS Mixer page, set the Mixer Type to Offset.
2. Select JS+Y as AMS A.
3. Set AMS A Offset to -99.
4. Set AMS A Amount to +199.
These settings shift JS+Y down and then double its range,
creating a bipolar signal.
5. In the Patch Panel, set the Mod Wheel jack to use the
AMS Mixer (instead of JS+Y).
The Mod Wheel jack will now carry the bipolar JS+Y signal.
Int (Intensity) [range depends on parameter]
This controls the depth and polarity of the AMS signal.
KBD TRIG OUT jack
In addition to the functionality described under “Input and
Output Jacks,” above, this jack lets you select the trigger
type, as below.
Trigger On [Note Gate + Sustain, Note Gate]
Note Gate + Sustain is the default, and is most appropriate
for general use.
Note Gate is useful for keyboard trigger operation within
self-triggering patches. For more information, see “Tip:
Creating self-triggering patches” on page 269.