Thank you for purchasing the Korg NAUTILUS. To help you get the most out of your new instrument, please read this
manual carefully.
The owner’s manuals and how to use them
These manuals apply to all NAUTILUS models. The front
panel and rear panel illustrations show the NAUTILUS-61,
but they apply identically to the other models.
The NAUTILUS comes with the following manuals.
• Quick Start Guide (printed and PDF)
• Operation Guide (PDF)
• Parameter Guide (PDF)
• Voice Name List (PDF)
A printed copy is included only for the Quick Start Guide.
You can download these PDF manuals from the Korg
website (www.korg.com).
Quick Start Guide
Please read this first. It introduces all of the basic features of
the NAUTILUS, and is designed to get you up and running
quickly.
Operation Guide (this document)
Put simply, the Operation Guide is designed to answer the
question, “How do I do this?”
It explains the names and functions of each part of the
NAUTILUS, basic operation, an overview of each mode,
how to edit sounds, record on the sequencer, sample, and so
on. This guide also explains the basics of effects,
arpeggiator, Wave Sequences, and Drum Kits.
Finally, it also contains a troubleshooting guide and
supplemental information such as specifications.
Parameter Guide
The Parameter Guide is designed to answer the question,
“What does this do?”
Organized by mode and page, the Parameter Guide includes
information on each and every parameter in the NAUTILUS.
Conventions in this manual
Abbreviations for the manuals: QSG, OG, PG, VNL
In the documentation, references to the manuals are
abbreviated as follows.
QSG: Quick Start Guide
OG: Operation Guide
PG: Parameter Guide
VNL: Voice Name List
Symbols , , Note, Tips
These symbols respectively indicate a caution, a MIDIrelated explanation, a supplementary note, or a tip.
Example screen displays
The parameter values shown in the example screens of this
manual are only for explanatory purposes, and may not
neccessarily match the values that appear in the LCD screen
of your instrument.
MIDI-related explanations
CC# is an abbreviation for Control Change Number.
In explanations of MIDI messages, numbers in square
brackets [ ] always indicate hexadecimal numbers.
* Linux is a trademark or registered trademark of Linus
Torvalds in the United States and in other countries.
* All product names and company names are the trademarks or
registered trademarks of their respective owners.
Voice Name List
The Voice Name List lists all of the sounds and setups that
are in the NAUTILUS when it is shipped from the factory,
including Programs, Combinations, Multisamples,
Drumsamples, Drum Kits, Arpeggio Pattern, Wave
Sequences, Drum Track Patterns, Template Songs, and
Effect Presets.
PDF versions
The NAUTILUS PDF manuals are designed for easy
navigation and searching. They include extensive PDF
contents information, which generally appears on the side of
the window in your PDF reader and lets you jump quickly to
a specific section. All cross-references are hyper-links, so
that clicking on them automatically takes you to the source
of the reference.
This adjusts the volume of the main L/R audio outputs, as
well as the volume of the headphone jack.
2. VALUE controllers
When you’ve selected a parameter on the TouchView
display, you can edit it using the dial or buttons of the frontpanel:
VALUE dial
Use this dial to edit the selected
parameter’s value. This control
is convenient when you want to
scroll through a very long list of
selections.
− and + buttons
These are used to increase or
decrease the parameter value by
individual steps. They’re
convenient for making fine
parameter adjustments.
ENTER button
Press the ENTER button to accept the values you input or to
execute a variety of shortcut commands.
Special functions of the ENTER button
Press the ENTER button to execute a variety of shortcut
commands. For instance, on parameters for inputting note
numbers and velocity values, you can input data in the usual
way or input data directly using the ENTER button and the
keyboard of the NAUTILUS, by following the steps below.
1. Select the parameter for which you will enter a note
number or velocity value.
2. Play a key on the keyboard while holding down the
ENTER button to directly input the note number or
velocity value.
You can use the ENTER button to jump into the editing
pages of a Program from within a COMBINATION or
SEQUENCER—while still hearing all of the other Timbres
or Tracks. To do so, go to the Mixer page, hold down the
ENTER button, and touch the Program select field in the
display. For more information, see “Editing Programs from
within a Combination or Song” on page 68.
EXIT button
Returns to the main page of the current mode. Each time you
press the button, you’ll move between pages in the following
way.
Returns to the Home page of the current mode. Each time
you press the button, you’ll move between pages in the
following way.
Last selected (tab) page of the Home page group →
first (tab) page of the Home page group →
specified parameter (such as “Program Select”) in each
mode
When a dialog box is open, pressing this button cancels the
dialog box settings and closes the dialog box, just like
pressing the Cancel button. If a pop-up menu for the Page
menu is open, pressing EXIT closes the menu.
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Introduction to NAUTILUS
3. MODE button
The NAUTILUS uses seven modes. To select each mode,
press the MODE button and choose using the Mode Select
page that is displayed.
To close the menu, press the Close button or the EXIT
button.
4. PAGE button
When you press this button, a list of the pages within the
selected mode will appear in the display. Press the button of
the desired page. (see page 14)
5. QUICK ACCESS: A–F buttons
Select a combination of button functions that corresponds to
how you will operate the NAUTILUS. These buttons can be
used to jump to the pages you set, and to select the modes.
They can also be used as playback, stop, record and other
buttons in SEQUENCER mode.
The button function settings can be accessed from the Quick
Access page in GLOBAL mode. (see “Configuring the
QUICK ACCESS buttons” on page 176)
6. SHIFT button
By using the SHIFT button together with another button or
control, you can access alternate functions assigned to that
button or control. The main functions that can be set are
shown below.
• SHIFT + OCTAVE −/+ button:
The range of pitches assigned to the keys can be changed
in semitone steps, up or down.
• SHIFT + AUDIO IN button:
Displays the Analog Input Setup dialog box, where you
can configure the input level and so on.
• SHIFT + MFX or TFX button:
Shows the MFX1 or TFX1 page for the current mode.
• SHIFT + ARP button:
Shows the ARP DRUM page for the current mode.
7. RT control knobs, SELECT button
When you’re playing a program or combination, you can use
these controls to adjust the sound or the effects in real time,
or to make simple edits. These controls can also be used to
adjust the tempo of the arpeggiator, sequencer and so on.
Tip: Pressing these knobs will set them flush into the panel
so that they cannot be touched accidentally. This way, only
the knobs you will use will remain sticking out, which
makes them easier to operate.
Here’s how to use the RT control knobs to set the tempo.
1. Press the SELECT button a number of times to make
the ARP/DRUM LED light.
Note: The selection you make using the SELECT button is
saved for each program, combination or song.
2. Turn the RT control knob 6 to adjust the tempo.
Parameters that can be operated using the RT
control knobs
The various parameters that can be controlled using the RT
control knobs are shown below.
SOUND
1. CUTOFF
Adjusts the cutoff frequency of the filter. Varies the
brightness of the sound.
2. RESONANCE
Adjusts the resonance level of the filter. Raising the filter
resonance level gives a distinctive character to the sound.
3. EG INT
This adjusts the filter EG intensity (the depth of how the EG
affects the filter).
4. EG RELEASE
Adjusts the envelope release times of the filter and amp. This
specifies the time from note-off until the sound fades to
silence.
5. EFFECT
Adjusts how much the insert effects are applied.
6. REVERB
Adjust the amount of reverb.
ARP/DRUM
1. GATE
Adjusts the note length (gate time) for the arpeggiator or step
sequencer.
2. VELOCITY
Adjusts the strength (velocity) of the notes played by the
arpeggiator or step sequencer.
2
Front and rear panels Front panel
3. LENGTH
Adjusts the length of the arpeggiator pattern and the step
sequencer’s sequence.
4. SWING
Adjusts the pattern of the arpeggiator or drum track, or the
shuffle feel of the sequence played by the step sequencer.
5. DRUM SD
Changes the pattern of the drum track, or the snare drum
sound used in the sequence played by the step sequencer.
6. TEMPO
Adjusts the overall tempo. The tempo setting will control the
following.
• Arpeggiator
•Drum Track
• Step sequencer
• Songs in SEQUENCER mode
• Tempo sync LFO
• Tempo sync (BPM) delay effects
USER
This lets you control the functions set for each program and
combination. (see “Assigning functions to RT control knobs
1–6” on page 33)
8. DYNAMICS
DYNAMICS button and knob
Pressing the button to turn DYNAMICS ON (the button will
light) will activate the knob.
This adjusts how the volume and tone will be changed in
response to how hard the keys are played (velocity) on this
keyboard.
Turning the knob to the left will cause the sound to play
softer in response to the strength of the keys played.
This is good for playing highly inflected passages from
pianissimo (very soft) to fortissimo (very loud), such as solo
piano or in band ensembles.
Turning the knob to the right will cause the sound to play
louder in response to the strength of the keys played.
This is good for generally making your sound stand out
when playing backing parts in a band ensemble, or when
playing a solo.
The sound will not change when the knob is in center
position.
For layered and split sounds, the dynamics effect will be
applied to both sounds.
Note: The effect controlled may differ, depending on the
program. The dynamics will have no effect on programs that
do not change in volume or tone with velocity, such as organ
sounds or some synth sounds.
Note: The dynamics settings can only be saved in a set list.
When in SET LIST mode, the values saved in each slot will
be used. When in a mode other than Set List, the front panel
settings (these are off when the power is turned on) will be
used.
Note: The effect will be applied to the velocity curve
(→p.172) that is selected.
9. Arpeggiator (ARP)
LATCH button
When latch is turned on, the arpeggiator will keep generating
patterns and phrases, even after you stop playing the
keyboard and take your hands off, or after a MIDI note
on/off message is received.
ARP button
Switches the arpeggiator function on/off. The button’s LED
will light when this is on.
DRUM button
Switches the drum function on/off. The drums operate as
either a drum track or as a step sequencer, depending on the
current scene selected. When this is on, the button will light
and the drum track pattern will start playing. If the button is
blinking when the drum function is on, the drum track
pattern will enter standby mode. The drum track pattern will
start when you play the keyboard or a MIDI note-on is
received. (see page 158)
TAP button
This button lets you enter tempos simply by tapping your
finger on the button. Two taps are enough to change the
tempo; for greater accuracy, you can continue tapping, and
the tempo will be averaged over the most recent 16 taps.
You can use the tap feature to change the ARP and other
tempo settings in PROGRAM, COMBINATION and
SEQUENCER modes. In SEQUENCER mode, you can use
this to control the song’s tempo.
Lightly tap the TAP button several times at the desired
tempo during playback. The tempo will change in real time
to follow your taps. This is a convenient way to adjust the
playback tempo to a different speed in real time.
Note: You can also tap tempos using a foot switch. For more
information, see “Foot Switch Assignments” on page 917 of
the PG.
Note: If “MIDI Clock” (GLOBAL) is set to “External
MIDI” or “External USB”, or if it is set to “Auto MIDI” or
“Auto USB” and a MIDI clock is currently being received,
the TAP button will not have any effect.
Press the TAP button while holding down the SHIFT button
to hear the click sound.
Note: You cannot use this operation to turn the click on/off
when you are in SEQUENCER mode.
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Introduction to NAUTILUS
10. Effectors
MFX button
TFX button
These buttons turn the master effects and total effects on/off.
When the buttons are on (LED lit), the effect settings for the
program, combination, or song will be enabled. When the
buttons are off (LED unlit), the corresponding effects will be
off.
The on/off status of these buttons is remembered even when
you switch programs, combinations, or songs.
11. OCTAVE buttons
OCTAVE −/+ buttons
The range of pitches assigned to the keys can be changed in
one-octave steps, up or down. Press the OCTAVE − and +
buttons together to return to the standard pitch. Hold down
the SHIFT button and press the OCTAVE −/+ buttons to
change the range of pitches assigned to the keys in semitone
steps, up or down.
12. AUDIO IN button
Enables the input from the Audio Input 1, 2 jacks on the rear
panel. Press the AUDIO IN button while holding down
SHIFT to display the Analog Input Setup dialog box, where
you can configure the input level and so on.
For more on input settings, see “2. Analog audio input
connections” on page 21.
14. Joystick
The joystick moves in four directions: left, right, forwards
(away from yourself), and backwards (towards yourself).
Each of the four directions can be used to control different
program or effects parameters.
The specific assignments can change depending on the
current Program, Combi, or Song. Generally, though, they
will do something like the functions shown below:
Standard Joystick functions
Move the
joystick…
LeftJS–XPitch bend down
RightJS+XPitch bend up
Forw ards
(away from yourself)
Backwards
(towards yourself)
Controller
Name
JS+YVibrato
JS–YFilter LFO (wah)
Normally controls…
15. TouchView display
The NAUTILUS features our exclusive TouchView graphic
interface, based on a touch-panel LCD screen.
By touching objects displayed in the LCD screen, you can
select pages, set parameter values, move sliders and knobs,
enter text, connect virtual patch cables, and more.
13. SW1 and SW2
These on/off buttons can perform a number of different
functions, such as modulating sounds or locking the
modulation values of the joystick.
Also, each one may work either as a toggle, or as a
momentary switch. In toggle mode, each press alternates
between on and off; in momentary mode, the button only
changes for as long as you hold it down.
Each button has an LED, which lights up when the button is
on.
Each Program, Combination, and Song stores its own
settings for what the buttons will do, and whether each
button defaults to being on or off.
4
Rear panel
5. Analog Audio Outputs4. Analog Audio Inputs
8. Pedals7. MIDI
3. USB
6. PHONES
2. (power button)
1. AC Power connector
Front and rear panels Rear panel
1. AC Power connector
Connect the included power cable here.
We recommend that you first connect the power cable to the
NAUTILUS, and then connect the other end of the cable to
an AC outlet (see “1. Connecting the power cable” on
page 18).
2. (power button)
This button turns the power on and off. Before turning
NAUTILUS off, make sure that you’ve saved any edits to
your Programs, Combis, Songs, or other user data.
After turning the power off, please wait for at least ten
seconds before you turn the power on again.
Auto power-off
The NAUTILUS has an auto power-off function that
automatically turns off the power when the keyboard or front
panel buttons are not used for a certain length of time*.
* This does not include the MASTER VOLUME slider.
Note: Auto power-off will not operate when the display or
front panel controls are used, when you play the
NAUTILUS, when MIDI is transmitted or received, or when
the drive is accessed (including communication via FTP).
When the power turns off, the settings you had been editing
will be lost. If you want to keep the edited settings, you must
save them first.
You can change the time it takes for the NAUTILUS to turn
off automatically, or disable the auto power-off feature
entirely.
To do so:
1. Select “Auto Power-Off Setting…” in the page menu
commands on the GLOBAL > Basic Setup - Basic
page.
2. Set how long it will take for the power to turn off. Set
this to “Disabled” if you do not want to use this
function.
3. Press “Done” to finish making the settings.
Note: The factory default setting is four hours.
3. USB
USB A port
There is an external, high-speed
USB 2.0 port. You can use it to
connect storage media such as
hard disks, flash media, etc, as
well as class-compliant USB
MIDI controllers. For more
information, see “4. Connecting USB devices” on page 22.
USB B port
This high-speed USB 2.0 port lets you connect to a Mac or
Windows PC, for sending and receiving MIDI and audio.
For more information, see “6. Connecting to computers via
USB” on page 23.
4. Analog Audio Inputs
You can use the audio inputs for recording, sampling, and
real-time mixing through the built-in effects.
INPUT 1 & 2
Inputs 1 and 2 provide 1/4" TRS balanced connectors. You
can use these for either microphone-level or line-level
signals. You can toggle between mic and line level in the
GLOBAL settings.
To adjust the input gain (Gain) and other values, use the
AUDIO IN page of each mode. (see page 21)
For more information for how to make connections and
settings, see “2. Analog audio input connections” on
page 21.
5
Introduction to NAUTILUS
5. Analog Audio Outputs
All of the analog audio outputs use balanced TRS 1/4" phone
jacks, referenced to a +4 dBu signal level.
Connect these outputs to the input jacks of your amp or
mixer. In addition to the L/MONO and R main stereo audio
outputs, the NAUTILUS provides four individual audio
outputs.
The sound from each oscillator, drum, timbre/track, or insert
effect can be freely routed to any output. Additionally, you
can route the metronome sound to an individual output, to
separate it from the stereo mix. For more information, see
“Effects selection and routing” on page 223.
(Main) L/MONO, R
These are the main stereo outputs; their volume is controlled
by the MASTER VOLUME slider. All of the factory
Programs and Combis are programmed to play through these
outputs.
When editing sounds, or when setting up a Song in
SEQUENCER mode, you can access the main outputs by
setting Bus Select to L/R.
If no cable is connected to the R output, L/MONO will carry
a mono summation of the stereo signal. So, if you are
connecting to a device which does not have stereo inputs
(such as a simple keyboard amp), use the L/MONO output.
(Individual) 1…4
These 4 additional audio outputs let you isolate sounds,
audio inputs, or audio tracks for recording or complex live
sound setups.
These can be used as stereo or mono outputs, in any
combination. You can also use the Global Audio page LR Bus Indiv. Assign parameter to map the main stereo outputs
to any of these output pairs, if you like.
Note that the individual outputs are not affected by the
MASTER VOLUME slider.
6. Headphone jack
You can connect headphones to this jack (stereo 1/4"). This
jack outputs the same signal as the Audio (OUTPUT)
L/MONO and R jacks. Use the MASTER VOLUME slider
to control the headphone volume.
7. MIDI
MIDI THRU connector
MIDI data received at the MIDI IN connector is retransmitted without change from the MIDI THRU connector.
You can use this to chain multiple MIDI devices together.
MIDI OUT connector
This connector transmits MIDI data. Use this to control
external MIDI devices, or to record into an external
sequencer.
MIDI IN connector
This connector receives MIDI data. Use this to play the
NAUTILUS from another MIDI device, or from an external
sequencer.
8. Pedals
DAMPER jack
For the damper–also known as the sustain pedal– you can
connect either a standard footswitch, or Korg’s special halfdamper pedal, the optional DS-1H.
The DS-1H half-damper pedal allows a finer degree of
control compared to switch-type pedals. Set the pedal
polarity so that the half-damper pedal will function correctly.
1. Set the polarity in “Damper Polarity” (GLOBAL >
Controllers/Scales–Controller page) as appropriate.
With the KORG DS-1H, use the (–) KORG Standard
setting.
2. After setting the polarity, calibrate the pedal using the
“Half Damper Calibration” page menu command
(GLOBAL > Basic Setup page).
ASSIGNABLE SWITCH jack
This lets you connect a simple on/off footswitch, such as the
optional Korg PS-1. The footswitch can perform a wide
variety of functions, such as modulating sounds and effects,
tap tempo, sequencer start/stop, etc.
The switch’s function is set in GLOBAL > Controllers tab of
the Controllers/Scales page, so that it always works the same
regardless of the current Program, Combi, or Song. For more
information, see “Setting up the Assignable Switch and
Pedal” on page 175.
ASSIGNABLE PEDAL jack
This lets you connect a continuous controller pedal, such as
the Korg EXP-2 foot controller or Korg XVP-20 EXP/VOL
pedal, to use as an assignable modulation source.
Like the ASSIGNABLE SWITCH, the pedal’s function is
set in GLOBAL mode. For more information, see “Setting
up the Assignable Switch and Pedal” on page 175.
MIDI lets you connect NAUTILUS to computers or other
MIDI devices, for sending and receiving notes, controller
gestures, sound settings, and so on. For more information on
MIDI connections, see “MIDI applications” on page 929 of
the PG.
6
TouchView user interface
h: Page tab
a: Current page
d: Edit cell
b: Category popup button
b: Popup button
e: Knob
f: Slider
i: Page menu buttonCheck-boxMode name Page Group name
a-2
a-1
a-3
b-2
b-1
b-3
Front and rear panels TouchView user interface
The NAUTILUS uses Korg’s TouchView graphical user
interface. By touching objects displayed in the LCD screen,
you can select pages, set parameter values, move sliders and
knobs, enter text, connect virtual patch cables, and more.
a: Current page
This is the current page for the selected mode.
To select a page, press the PAGE button, use the page
selector to choose a page group and then select the desired
page from the lower row of tabs.
The mode name > page group name is displayed on the top
left of the current page.
b: Popup button & menu
Press the desired value or item in the pop-up menu.
PROGRAM, COMBINATION selection
pop-up menu
This pop-up menu is used to select program and combination
sounds.
a: Bank (List)
The program and combination sounds are listed in banks.
a-1: Bank Select button
This button is used to select banks. This switches between
a-3: Sound list.
a-2: PROGRAM Bank Type button
Displays when selecting a PROGRAM sound.
This button switches between KORG format and GM format
bank lists.
a-3: Sound list
This is a list of sounds for the selected bank.
When using Program Select (in PROGRAM mode) or
Combination Select (in COMBINATION mode), the list
displays in a single column; and when using Timbre (Track)
Program Select and so on in SEQUENCER mode, this list
displays in two columns.
Note: When in bank (list) display mode, the sounds will not
switch until you select an item from the list.
b: Bank (10Key)
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Introduction to NAUTILUS
Press here and slide to left or right
to scroll to the desired location.
Press here to scroll to left or right.
Press here to scroll to the
corresponding location.
b-1: Bank Select button ( a-1)
b-2: PROGRAM Bank Type button ( a-2)
b-3: 10 Key
Use these keys to input a sound number for a sound in the
selected bank. The sound will switch when you press the
update () button.
The sound will be updated and the dialog box will close even
if you press the OK button without pressing the update
button.
Note: In Bank (10Key) display mode, the sound will change
right after you select a bank using Bank Select.
c: Category select
c-1c-1
c-4c-3
c-1: Category tabs
These tabs represent the sound categories.
c-2
d: Edit cell
The “edit cell” is shown as a black background in the
parameter or parameter value display. Press this to make
settings, either by pop-up or by inputting a value.
When this is pressed, the edit cell will be selected as
indicated by a green highlight. On some cells you can press
the selected edit cell a number of times to display the
numeric keypad and input a numerical value.
The parameter value of the edit cell can be modified using
the VALUE controllers. (see page 15)
In most cases you can edit the value by touching the edit cell
and dragging your finger up or down. (A few parameters
don’t support this editing method.) If your hand is obscuring
the parameter value on the screen, you can drag your finger
to the left or right before editing; as long as you don’t lift
your finger from the screen, the parameter will stay selected.
For parameters that accept a note number or a velocity value,
you can also hold down the ENTER button and play a note
on the keyboard to enter the note number or velocity value.
c-2: Sub Category buttons
Use these buttons to filter down the sound category you
selected in c-1 by sub-category.
c-3: Sound list
Note: The categories and sub-categories set in “Global
Category” will be displayed (→p.178).
c-4: Scroll bar
When a list is too long for all items to fit on the screen at
once, the popup includes scroll bars. You can touch in the
empty areas of the scroll bar to move back and forth in the
list, or touch and drag the scroll handle.
e & f: On-screen sliders, knobs, and meters
To edit an on-screen slider or knob, simply touch it and then
drag to change its value. Knobs can generally be turned by
both up-down and right-left gestures.
Alternatively, you can first touch the slider or knob and then
use the VALUE controllers to modify the value.
On-screen meters show audio levels for Combination
Timbres, Sequencer Tracks, insert, master, and total effects,
and the main output.
h: Page tabs
Press tabs to select the page.
i: Page menu button
When this button is pressed, a list of menu commands will
appear. The available commands will vary depending on the
current page. To select a command, just touch it.
The page menu will close when you press the LCD screen at
a location other than the page menu, or when you press the
EXIT button.
Even though each page may have its own unique menu
commands, the menus are standardized as much as possible.
For instance, WRITE is almost always the first menu item in
PROGRAM, COMBINATION, SET LIST, and GLOBAL
modes.
8
Front and rear panels TouchView user interface
Cancel buttonOK button
Radio button
Check box
Dialog box
Many menu commands use dialog boxes to make additional
settings. The dialog box that appears will depend on the
currently selected menu command.
You can also use the VALUE controller (→p.15) to input a
number when selecting a program, combination number or
other value in a dialog box.
Pressing the program name may also show the text edit
dialog (→p.206). Whatever the case, follow the message
shown in the dialog box.
To confirm settings in a dialog box, press the OK button. To
exit without making changes, press the Cancel button. After
pressing either OK or Cancel, the dialog box will close. The
EXIT button corresponds to the Cancel, Done and Exit
buttons.
Program Home page Overview/Jump graphics
The PROGRAM > Home page features an interactive
overview of the most important parameters, such as
oscillators, filters, envelopes, LFOs, and so on. Just touch
any of these overview areas, and you’ll jump to the
corresponding edit page.
CX-3 Drawbars
You can edit CX-3 drawbars just as you would other slider
controls, by touching and dragging the individual drawbars
one by one.
There’s also a special feature that allows you to drag shapes
across all of the drawbars at once. To use this feature, enable
the Drag Across Drawbars check-box in the lower right of
the Drawbars page. Then, drag a shape across all of the
drawbars horizontally.
Other objects
Patch panel
The MS-20EX and MOD-7 use on-screen patch panels to
route audio and control signals.
To make a connection between two patch points:
• Touch one of the two jacks (either input or output),
and drag your finger across the screen to the second
jack.
A yellow line appears as you drag across the screen, and is
replaced by a patch cable once the connection is made.
To delete a connection between two patch points:
• Touch the input jack, and drag off of the jack.
The selected connection will be deleted.
Check box
Each time you press a check box, it alternates between the
checked (green) and unchecked states.
The parameter will be active if it is checked, and inactive if it
is unchecked.
Radio button
Press a radio button to select one value from two or more
choices.
Toggle buttons
This type of button will change its function or button on/off
each time it is pressed.
Play/Rec/Mute buttons in SEQUENCER mode:
Solo On/Off buttons in SEQUENCER mode:
9
Introduction to NAUTILUS
Basic information
About the NAUTILUS’ modes
The NAUTILUS has a large number of features that let you
play and edit programs and combinations, record and play
sequence data, record and play back samples, and manage
data on drive. The largest unit used to organize these features
is called a mode.
The NAUTILUS has seven modes.
SET LIST mode
Set Lists make it simple to play and organize any of the
sounds loaded into the NAUTILUS, without regard for what
bank they’re stored in or whether they’re Programs,
Combinations, or even Songs.
Large on-screen buttons make sound selection fast and
foolproof, and the Program Up or Down footswitch
assignments can be used for hands-free sound changes. Cut,
copy, paste, and insert tools make re-ordering a snap.
Smooth Sound Transitions (SST) let the previous sound and
its effects ring out naturally, making it easy to change sounds
during a live performance. SST is active in all of the
NAUTILUS modes, but Set Lists give you greater control
over the transitions. You can fine-tune the ring-out time for
each sound, so that (for instance) one sound fades out very
quickly, while another sound’s delays continue to repeat for
ten or twenty seconds.
Set Lists are great for live performance, but they’re also
handy for organizing sounds in general. For example, you
could create a Set List with all of your favorite String
sounds, including both Programs and Combinations.
PROGRAM mode
Programs are the basic sounds of NAUTILUS. In
PROGRAM mode, you can:
• Select and play Programs
• Edit Programs
Make detailed settings for oscillators, filters, amps, EGs,
LFOs, effects, arpeggiator function (including drum
track, step sequence), vector synthesis, etc. The specific
parameters will vary depending on the synthesis type:
HD-1, AL-1, CX-3, STR-1, MS-20EX, PolysixEX,
MOD-7, EP-1, or SGX-2
• Create drum programs using drum kits (as created in
GLOBAL mode)
• Use one arpeggiator
• You can play back drum track patterns while you
perform with a program. You can also use the step
sequencer as an alternative to drum tracks to play back a
phrase while you are performing
• The arpeggiator, drum track/step sequencer variations
can be managed through four scenes
• Sample and resample
For example, you can sample an external audio source, or
you can play a Program and resample your performance.
COMBINATION mode
Combinations are sets of up to 16 Programs that can be
played simultaneously, letting you create sounds more
complex than a single Program. In COMBINATION mode,
you can:
• Select and play Combinations
• Use NAUTILUS as a 16-track multitimbral tone
generator
• Edit Combinations
Assign Programs to each of the 16 Timbres, each with
separate volume, pan, EQ, and keyboard and velocity
zones; make settings for effects, vector synthesis,
arpeggiator function (drum track, step sequence)
• Use two arpeggiators
• The arpeggiator, drum track/step sequencer variations
can be managed through four scenes
• Sample or resample
For example you can sample an external audio source, or
resample a performance you play using a combination.
SEQUENCER mode
SEQUENCER mode lets you record, play back, and edit
MIDI tracks and audio tracks. You can:
• Select and play Songs
• Edit Songs
Assign Programs to each of the 16 MIDI Tracks, with
separate volume, pan, EQ, and keyboard and velocity
zones; make settings for effects, vector synthesis,
arpeggiator function (drum track, step sequence)
• Record up to sixteen MIDI tracks simultaneously
• Record up to four of the sixteen audio tracks
simultaneously, mix using automation, and import
WAVE files
• Use two arpeggiators
• The arpeggiator, drum track/step sequencer variations
can be managed through four scenes
• Sample or resample
You can sample an external audio input source while
playing a song, and use In-Track Sampling to
automatically create a note event that triggers the sample
at the same time as it was recorded
• Use NAUTILUS as a 16-track multitimbral tone
generator
• Record patterns and assign them to individual keys,
using RPPR (Realtime Pattern Play/Recording)
• Create your own Drum Track Patterns
10
SAMPLING mode
SAMPLING mode lets you record and edit your own
Samples and Multisamples. For example, you can:
• Record samples from external audio sources, including
sampling through effects
• Edit the recorded samples, or samples loaded from
MEDIA mode; set loop points, truncate, time-slice, etc.
• Create and edit Multisamples, which consist of one or
more Samples spread out across the keyboard
• Quickly convert Multisamples into Programs
• Create massive sounds using the generous internal RAM:
if you like, a single Multisample can use about 6 hours of
sampling time
• Load a number of these huge Multisamples at once, via
User Sample Banks and Virtual Memory
GLOBAL mode
GLOBAL mode lets you make overall settings for the entire
NAUTILUS, and edit wave sequences and drum kits. For
instance, you can:
• Make settings that affect the entire NAUTILUS, such as
master tune and global MIDI channel
• Set up sample auto-loading at startup
• Manage currently loaded samples
• Create user scales
• Create user Drum Kits and Wave Sequences using
samples from ROM, EXs, User Sample Banks or
SAMPLING mode
• Create Arpeggio Patterns
• Rename Program, and Combination categories
• Set the function of the assignable pedals and assignable
switches
• Transmit MIDI System Exclusive data dumps
Basic information About the NAUTILUS’ modes
MEDIA mode
MEDIA mode lets you save, load, and manage data using the
internal disk and external USB 2.0 storage devices. You can:
• Save and load Programs, Combinations, Songs, Samples,
and Global setup data
• Format disks and storage media, copy and rename files,
etc.
• Load AKAI, SoundFont 2.0, AIFF, and WAVE samples,
and export RAM samples in AIFF or WAVE formats
• Export and import sequences to and from SMF (Standard
MIDI Files)
• Use the Data Filer function to save or load MIDI System
Exclusive data
11
Introduction to NAUTILUS
MEDIA MODE
OSC 1
PITCH1
FILTER1
AMP1/
DRIVER1
OSC 2
PITCH2
FILTER2
AMP2/
DRIVER2
PROGRAM (HD-1)
TRACK 1
TRACK 8
TRACK 2
TRACK 3
TRACK 4
TRACK 5
TRACK 6
TRACK 7
PROGRAM
PROGRAM
PROGRAM
PROGRAM
PROGRAM
PROGRAM
PROGRAM
PROGRAM
SEQUENCER
TRACK 9
TRACK 16
TRACK 10
TRACK 11
TRACK 12
TRACK 13
TRACK 14
TRACK 15
COMBINATION
GLOBAL MODE
Key Assign
WAVE SEQUENCE
DRUM KIT
SAMPLING MODE
Multisample
Sample
Sample
Sample
Sample
Sample
Sample
Sample
Multisample
AUDIO INPUT
1
AUDIO INPUT
2
USB DRIVE
Resampling
INTERNAL DRIVE
PROGRAM
PROGRAM
PROGRAM
PROGRAM
PROGRAM
PROGRAM
PROGRAM
PROGRAM
TIMBRE1
TIMBRE8
TIMBRE2
TIMBRE3
TIMBRE4
TIMBRE5
TIMBRE6
TIMBRE7
PROGRAM
PROGRAM
PROGRAM
PROGRAM
PROGRAM
PROGRAM
PROGRAM
PROGRAM
TIMBRE9
TIMBRE16
TIMBRE10
TIMBRE11
TIMBRE12
TIMBRE13
TIMBRE14
TIMBRE15
PROGRAM
PROGRAM
PROGRAM
PROGRAM
PROGRAM
PROGRAM
PROGRAM
PROGRAM
MIDI TRACK 1...16
TRACK 1
TRACK 8
TRACK 2
TRACK 3
TRACK 4
TRACK 5
TRACK 6
TRACK 7
REGION
REGION
REGION
REGION
REGION
REGION
REGION
REGION
TRACK 9
TRACK 16
TRACK 10
TRACK 11
TRACK 12
TRACK 13
TRACK 14
TRACK 15
REGION
REGION
REGION
REGION
REGION
REGION
REGION
REGION
AUDIO TRACK 1...16
MS MS
MS MS
IFX 1
IFX 12
MFX 1
MFX 2
TFX 1
TFX 2
Insert / Master / Final Eect
WAVE FILES
IFX 1
IFX 12
MFX 1
MFX 2
TFX 1
TFX 2
Insert / Master / Total Eect
EXi 1
EXi 2
PROGRAM (EXi)
IFX 1
IFX 12
MFX 1
MFX 2
TFX 1
TFX 2
Insert / Master / Total Eect
IFX 1
IFX 12
MFX 1
MFX 2
TFX 1
TFX 2
Insert / Master / Total Eect
Audio Recording
Multisample
Drum Kit
Wave Seq.
PCG / SNG
PCG
KSC
Preset Drum Track Pattern
User Drum Track Pattern
DRUM TRACK PATTERN
EP-1
PolysixEX
STR-1AL-1
SGX-2
MOD-7
MS-20EX
CX-3
EP-1
PolysixEX
STR-1AL-1
SGX-2
MOD-7
MS-20EX
CX-3
MS1 (MS/WS)
Drum Kit
MS5 (MS/WS)
MS2 (MS/WS) MS6 (MS/WS)
MS3 (MS/WS) MS7 (MS/WS)
MS4 (MS/WS) MS8 (MS/WS)
MS1 (MS/WS)
Drum Kit
MS5 (MS/WS)
MS2 (MS/WS) MS6 (MS/WS)
MS3 (MS/WS) MS7 (MS/WS)
MS4 (MS/WS) MS8 (MS/WS)
USB AUDIO IN1USB AUDIO IN
2
SET LIST
Multisample
Slot 127
Slot 001
Slot 000
Set List 000 ... 127
DS1 (DS/Sample)
DS5 (DS/Sample)
DS2 (DS/Sample)
DS6 (DS/Sample)
DS3 (DS/Sample)
DS7 (DS/Sample)
DS4 (DS/Sample)
DS8 (DS/Sample)
Arpeggiator A
Drum Track / Step Sequencer
Drums Program
Scene1...4
Arpeggiator A
Drum Track / Step Sequencer
Drums Program
Scene1...4
Arpeggiator A
Arpeggiator B
Drum Track / Step Sequencer
Scene1...4
IFX 1
IFX 12
MFX 1
MFX 2
TFX 1
TFX 2
Insert / Master / Total Eect
Arpeggiator A
Arpeggiator B
Drum Track / Step Sequencer
Scene1...4
12
Basic information About the NAUTILUS’ PCM memory
About the NAUTILUS’ PCM memory
“PCM” is another way of saying “samples.” The
NAUTILUS has several types of PCM banks, as described
below: ROM, EXs, User Sample Banks, and Sampling Mode
Data.
For more information on the contents of the included ROM
and EXs sample data, see the Voice Name List (VNL).
ROM
The NAUTILUS ROM contains the basic multisamples and
samples, and is always loaded and available.
EXs
EXs stands for EXpansion Samples. These can be loaded or
not, as you wish. The NAUTILUS comes with a number of
EXs libraries, including multiple gigabytes of samples.
User Sample Banks
User Sample Banks may be sounds that you create yourself,
or load from imported Akai or SoundFont 2.0 libraries, or
WAV or AIFF files.
Sampling Mode Data
SAMPLING mode is used to create and edit samples. When
you save Sampling Mode Data, it becomes available as a
User Sample Bank.
Using samples in your own sounds
You can use any of these bank types, together or separately,
when making your own sounds. Simply set the Bank as
desired in the Program or Wave Sequence Step’s
Multisample Select fields, or the Drum Kit Drumsample
Select fields. For more information, see:
• Program: “Bank (Multisample),” on page 51 of the PG
• Wave Sequence: “Bank (Multisample),” on page 662 of
the PG
• Drum Kit: “Bank,” on page 669 of the PG
Lossless compression
When EXs data is loaded into RAM, the NAUTILUS uses a
lossless compression technique. This yields a modest
reduction in size; for instance, EXs1 uses 284MB of RAM
for 313MB of data.
You’ll notice that this is much milder than the dramatic size
reductions of mp3, or the PCM compression sometimes
found in other synthesizers. There is a strong advantage over
these other methods, however: the NAUTILUS compression
is completely lossless, and causes absolutely no degradation
in audio quality.
Loading samples at startup
The NAUTILUS can load your favorite samples
automatically at startup. For more information, see
“Automatically loading sample data” on page 179.
User sampling RAM capacity
The NAUTILUS is equipped with 3 GB of RAM.
Approximately 1 GB of this RAM is used by the operating
system and ROM sample data. The remainder is shared
between the samples in EXs, User Sample Banks, and
SAMPLING mode.
This means that the size of the currently loaded EXs and
User Sample Banks trades off against the memory available
for SAMPLING mode. The more space used by EXs and
User Sample Banks, the less is available for SAMPLING
mode.
Using Virtual Memory for EXs and User Sample Banks
generally lets you load more samples at once, but may still
use a substantial amount of RAM.
Note: To check the amount of sample RAM available, see
“0–1f: Free Sample Memory/Locations” on page 579 of the
PG.
For more information, see “Free RAM and approximate
sampling times” on page 123.
About polyphony
Most hardware synthesizers offer a single, fixed method of
synthesis, a predetermined number of voices, and a fixed
amount of effects processing power for a specific number of
effects. NAUTILUS is different; it has no fixed synthesis
method, its polyphony varies depending on which synth
engines are being used, some synth engines provide
additional effects (augmenting the 16 normal effects slots),
and there are sometimes trade-offs of processing power
between voices and effects.
This flexibility means that the system can deliver power
where you need it the most. As you play different sounds
from different synth engines, the NAUTILUS automatically
divides its processing power appropriately.
Unlike most computer-based systems, NAUTILUS also
monitors the overall processing power, reducing the overall
number of voices if necessary, to make sure that there are
never problems with the audio.
Normally, you shouldn’t need to think about this at all; it will
just happen automatically. Sometimes, however, it can be
convenient to know how the system is allocating its
resources. The Performance Meters page shows this
information; you can find it on the Perf Meters tab of Home
in PROGRAM, COMBINATION, and SEQUENCER
modes. For more information, see “0–2: Performance
Meter” on page 13 of the PG.
13
Introduction to NAUTILUS
Page tab
Basic operations
After you’ve turned on the NAUTILUS, here’s how to
perform basic operations such as selecting modes and pages.
1. Selecting modes
To enter each mode, press the MODE button and then the
respective mode button in the Mode menu on the display.
The NAUTILUS features seven operating modes.
SET LIST button
This selects SET LIST mode. Set Lists make it simple to
play and organize any of the sounds loaded into the
NAUTILUS, without regard for what bank they’re stored in
or whether they’re Programs, Combinations, or even Songs.
PROGRAM button
This selects PROGRAM mode, for playing and editing basic
sounds.
2. Selecting pages
Each mode has a large number of parameters, which are
grouped into pages. These are further subdivided by tabs into
up to nine tab pages.
1. Select the desired mode, as described above.
We’ll use PROGRAM mode as an example for our
explanation. Press the MODE button to select the
PROGRAM mode.
2. Press the PAGE button to go to the Page Select.
As an example here, select the Basic/X-Y/Controllers
button.
COMBINATION button
This selects COMBINATION mode, for playing and editing
complex splits and layers of Programs.
SEQUENCER button
This selects SEQUENCER mode, for recording, playing,
and editing audio and MIDI tracks.
SAMPLING button
This selects SAMPLING mode, for recording and editing
audio samples and multisamples.
GLOBAL button
This selects GLOBAL mode, for making overall settings,
editing Wave Sequences and Drum Kits, and more.
MEDIA button
This selects MEDIA mode, for saving and loading data to
and from the internal disk or external USB storage devices.
3. The current page indication in the upper left of the
LCD screen will indicate “PROGRAM > Basic/XY/Controllers,” and the page group will change.
When you press the EXIT button, you will return to Home
from any page.
14
Basic information Basic operations
X-Y Control tab
Menu
Menu commands button
4. Press a tab (page tabs) to select a page.
As an example here, press the X-Y Control tab. The current
page indication in the upper left of the LCD screen will stay
the same.” You’ve selected the X-Y Control page.
Note: In some cases, there may not be any tabs in the upper
line.
3. Selecting and changing parameters
1. Press the parameter that you want to edit.
A green line will appear to the left of the parameter (edit
cell).
2. The parameter value in the edit cell can be edited
using touch-drag or with the VALUE controllers
(including the VALUE dial, the −/+ buttons, the
ENTER button and so on). For edit cells that can
accept numerical input, input the number by selecting
the edit cell, and then touching the same edit cell again
to display the numeric keypad.
Note: The way that the value will change depends on the
type of parameter or object.
For example, the values on a checkbox object can be
switched by pressing that object. To input a note and
velocity number using the keyboard, play a key while
holding down the ENTER button.
Note: You can use the Compare page menu command to
compare the sound you’re editing with the original unedited
sound.
+/− buttons
VALUE dial
Use this when you wish to make large changes in a value.
To make detailed changes to the values, turn the dial while
holding down the ENTER button.
How the values change when using the −/+ buttons or the
dial when inputting the tempo
120.00 → 121.00 → 122.00 → ...
How the values change when using the −/+ buttons or the
dial while holding down the ENTER button
120.00 → 120.01 → 120.02 → ...
Popup buttons and popup menus
You can press a popup button to access a popup menu, and
then set parameter values.
Numeric keypad
After you select an edit cell that accepts numeric input, touch
the same cell again to display the numeric keypad.
Keyboard input
When entering a note number or a specific velocity as the
value of a parameter, you can use the keyboard to input the
setting. Hold down the ENTER button and play the note that
you wish to enter as a value. The note number or velocity
value will be input.
When the GLOBAL > Drum Kit page is displayed, you can
hold down the ENTER button and play a note to recall the
settings that have been assigned to that note. (If the
parameter you’ve selected expects you to enter a velocity
value, the velocity you played will be entered.)
In SAMPLING mode, you can hold down the ENTER
button and play a note to recall the index that is assigned to
that note.
4. Selecting and executing menu
commands
VALUE controller
The menu provides commands that are specific to each page,
such Write (save) or Copy. The available functions will
depend on the current page.
For example, the utility functions in PROGRAM mode let
you write (save) the settings, perform convenient editing
operations such as copying settings between oscillators or
effects, “Sync” EGs so that you can edit two of them at once,
and so on.
15
Introduction to NAUTILUS
1. In the upper right of the display, press the menu
button.
A list of menu commands will appear.
2. Select a menu command by pressing it with your
finger.
A dialog box for the selected menu command will appear.
Check-type commands will not display a dialog box; their
status will be switches, and the list will close.
• To close the list without selecting a command, press the
display somewhere other than the list, or press the EXIT
button.
3. For a parameter in a dialog box, select it by pressing it
with your finger, and use the VALUE dial or +/−
buttons to enter its value.
4. To execute the command, press the OK or ENTER
button. If you decide not to execute the command,
press the Cancel button or the EXIT button.
The dialog box will close.
Compare command
Use this when you wish to compare the edits you have made
to a program or combination’s sound with the un-edited
original (i.e., the sound that is written into memory).
When editing a program or combination, execute the
command, and the last-written settings for that program
number or combination number will be recalled. When you
execute the command once again, you will return to the
settings that you were editing.
If compare command will not appear on the page menu
command, you cannot return to the settings that you were
editing.
In SEQUENCER mode, you can use the command to make
“before and after” comparisons immediately after using
realtime recording or step recording to record a song, or after
performing a track edit operation.
For example, this can be used effectively when realtimerecording a track for a song.
1. Realtime-record a MIDI track. (Take 1)
2. Once again, realtime-record on the same track.
(Take 2)
3. Execute the command, and take 1 will be recalled.
4. Execute the command once again, and take 2 will be
recalled.
5. If at step 3 you once again realtime-record on the
same track (take 3), the object of the Compare
function will now be take 1.
If at step 4 you once again realtime-record on the same track
(take 3), the object of the Compare function will be take 2.
In this way, the Compare function lets you recall the
previous recording or the previous state of event editing.
5. Using the Quick Access buttons
Select a combination of button functions that corresponds to
how you will operate the NAUTILUS. These buttons can be
used to jump to the pages you set, and to select the modes.
They can also be used as playback, stop, record and other
buttons in SEQUENCER mode.
The button function settings can be accessed from the Quick
Access page in GLOBAL mode. (See “Configuring the
QUICK ACCESS buttons” on page 176.)
When you press a QUICK ACCESS button along with a
different button, the buttons serve as a shortcut to the page
jump and page menu commands.
MODE button + A...F buttons
This works as a shortcut to switch between modes.
MODE button + A: SET LIST mode
MODE button + B: PROGRAM mode
MODE button + C: COMBINATION mode
MODE button + D: SEQUENCER mode
MODE button + E: SAMPLING mode
MODE button + F: GLOBAL mode/MEDIA mode
(toggles between modes)
ENTER button + A...F buttons
Six functions (except for “Compare”) from the page menu
command that is displayed from up to down are selected,
each corresponding to the mode buttons.
PAGE button + A...F buttons
Jumps to a pre-allocated page in the current mode.
EXIT button + A...F buttons
Activates the following functions, but only in SEQUENCER
mode.
EXIT button + A button: SEQUENCER PLAY/STOP button
EXIT button + B button: SEQUENCER REC/WRITE button
EXIT button + C button: SEQUENCER LOCATE button
EXIT button + D button: SEQUENCER REW button
EXIT button + E button: SEQUENCER FF button
EXIT button + F button: SEQUENCER PAUSE button
16
6. Writing and saving
After you edit, you should write or save your changes as
necessary. For example if you’ve edited a program, your
changed will be lost if you select another program or turn off
the power. The same applies to a combination. Settings you
edit in GLOBAL mode will be remembered as long as the
power is on, but your changes will be lost when you turn off
the power.
For details on the Write operations, see the following pages.
• Programs: see “Saving your edits” on page 34
• Combinations: see “Saving your edits” on page 70
• Effect presets: see “Saving Effect Presets” on page 232
• Global settings: see “Writing Global settings” on
page 208
• Arpeggio Pattern: see “Saving the arpeggio pattern” on
page 201
• Wave Sequences: see “Saving Wave Sequences” on
page 192
• Drum kits: see “Saving Drum Kits” on page 196
• User Drum Track patterns: see “Creating Drum Track
patterns” on page 169
Preset/user Drum Track patterns are saved in internal
memory even when the power is turned off. Patterns you
create in SEQUENCER mode can be converted into user
Drum Track patterns and saved in internal memory.
• User template songs: see “Saving your own Template
Songs” on page 78
Preset/user template songs are saved in internal memory
even when the power is turned off. Track settings and effect
settings of a song you create can be saved in internal
memory by the menu command Save Template Song.
• Writing to internal memory →p.205
Basic information Basic operations
For more information about saving, refer to the following
page.
• Saving to internal drive, CDs, and USB media →p.209
Note: On the NAUTILUS, the action of writing into internal
memory is called “Writing,” and the action of saving to an
external USB storage device is called “Saving.”
17
Introduction to NAUTILUS
Setup
Turning the power on/off
1. Connecting the power cable
1. Connect the included power cable to the NAUTILUS’
rear panel AC power inlet.
2. Connect the other end of the power cable to the AC
power outlet.
If your power cable uses a separate ground wire, you
must connect this ground wire before inserting the plug
into the AC outlet. When disconnecting, you must first
disconnect the plug before you disconnect the ground
wire. If you are unsure of how to make connections,
please contact your Korg Distributor.
Make sure that your AC outlet is the correct voltage for
your instrument.
2. Turning the power on
1. Press the rear panel (power button) to turn on the
power.
2. Turn on your powered monitors or stereo amp.
3. Turn the NAUTILUS’s MASTER VOLUME slider all
the way down to an appropriate level, and adjust the
volume of your powered monitors or stereo amp.
After you’ve turned off the power, you must wait
approximately ten seconds before turning the power on
again.
Tip : You can set the Power On Mode (GLOBAL > Basic
Setup– Basic page) so that the mode and page that had been
selected when you turned the power off will appear when the
power is turned on.
For more information, see “Recalling the last-selected mode
and page at power-on” on page 173.
Never turn off the power while data is being written into
internal memory. The display will show the message
“Now writing into internal memory” when this is in
progress.
Never turn off the power while media such as the internal
drive is being accessed, such as while recording or
playing audio tracks, or sampling to disk for an
extended time. Turning off the power while disk access
is occurring may render the media unusable. The DISK
LED shows when the internal drive is being accessed.
If you’ve turned off the power and want to turn the power on
again, wait for about 10 seconds after turning the
NAUTILUS off.
Auto Power-Off
The NAUTILUS can be set to automatically turn off the
power when the system has not been active for a certain
length of time.
Note: “Activity” includes using the TouchView display and
most front panel controls, playing sounds, sending or
receiving MIDI, local or ftp drive activity, etc. It does not
include usage of the MASTER VOLUME slider, however.
When the power turns off, any un-saved edits or settings
will be lost. Make sure that you save important settings
before this occurs.
You can control the amount of time before the system turns
off, or disable Auto Power-Off entirely. To do so:
1. Go to the GLOBAL > Basic Setup– Basic page.
2. In the menu, select the Auto Power-Off Setting…
command.
The dialog box below will appear.
3. Turning the power off
When you turn off the power, the programs and
combinations etc. will revert to their unedited state. If you
want to keep your edits, you’ll need to Write them. For
more information, see “Saving data” on page 203.
Similarly, the user multisample and sample data will be
erased when you turn off the power. If you want to use
these again, save the data before turning off the power,
and then reload the data when you restart the
NAUTILUS.
Note: You can set the samples and multisamples to be
reloaded automatically when the NAUTILUS is powered
up. See “Automatically loading sample data” on page 179.
1. Turn the NAUTILUS’s MASTER VOLUME slider all
the way down, minimizing the volume.
2. Turn off the power of your powered monitor or stereo
amp.
3. Press the NAUTILUS’s (power button) to turn off
the power.
After you press the power button, you can let go once all
of the LEDs on the panel buttons have gone dark.
18
3. Press the Auto Power-off popup button to select the
length of idle time after which the power will turn off.
If you don’t want the power to turn off automatically,
set this to Disabled.
4 hours is the default.
You can also reach this dialog box from the two warning
dialogs associated with Auto Power-Off, as described
below.
Changing the Auto Power-off setting at startup
If Auto Power-off is enabled, a dialog box indicating the
time until automatic power-off will appear immediately after
start-up.
The dialog box will close automatically after a few seconds.
The clock icon shows the time left before the dialog box
closes. Press the clock icon to keep the dialog box open.
Press the Change Setting or OK button to close this dialog
box.
1. To change the auto power-off setting, press the
Change Setting button.
The Auto Power-Off Setting dialog box will appear, just
as if you’d selected the Global menu command described
above.
Setup Turning the power on/off
Auto power-off warning message
When the specified length of time has elapsed without any
user input on the NAUTILUS, a message will appear,
warning you that the auto power-off function is about to turn
off the power.
If you want to continue using the system, press the keyboard,
a button, or some part of the display such as the Extend
button. The Auto power-off function will be reset. If the
specified length of time again elapses with no user input, the
same message will appear again. You can also use the
Change Setting button to bring up the Auto Power-Off Setting dialog, as described above.
19
Introduction to NAUTILUS
Connections
Connections must be made with the power turned off.
Please be aware that careless operation may damage your
speaker system or cause malfunctions.
6. Connecting to computers via USB
4. Connecting USB devices
CD-R/RW, hard disks,
removable disk, etc.
USB MIDI Controller
to an AC outlet
Computer
USB
USB cable
AC power supply
Power cable (Included)
2. Analog audio input connections
Eect unit
Power button
INPUT
MicGuitar
USB AUSB B
1. Analog audio output connections
Monitor
OUTPUT
AUDIO
INPUT
MixerPowered monitors, etc.
ASSIGNABLE
PEDAL
ASSIGNABLE
SWITCH
DAMPER
AUDIO
OUTPUT
Headphone
PHONES
5. MIDI Connections to equipment
& Computers
1. Analog audio output connections
Here’s how to connect the NAUTILUS to your analog amp
or mixer.
If you’re using a home stereo system, be aware that
playing at high volume may damage your speakers. Be
careful not to raise the volume excessively.
Audio Outputs (main) L/MONO and R
These are the main outputs, accessed by setting Bus Select
to L/R. All of the factory sounds use these outputs, and the
Master and Total Effects are always routed here as well.
All of the NAUTILUS analog outputs use 1/4" balanced
TRS jacks. For best results, use balanced connections to
your audio system.
1. Connect the Audio Outputs (main) L/MONO and R
outputs to the inputs of your amp or mixer.
If you’re using NAUTILUS in stereo, use both the (main)
L/MONO and R jacks. If you’re using NAUTILUS in
mono, use only the (main) L/MONO jack.
Synthesizer
3. Connecting Foot Pedals
and Switches
2. Use the MASTER VOLUME slider to adjust the
volume.
The MASTER VOLUME slider affects only the main
stereo outputs and the headphones; it does not affect the
individual outputs, or the USB output.
Audio Outputs (individual) 1…4
These are 4 additional analog outputs, which can be used as
individual mono outputs, stereo pairs, or any combination of
the two. Almost any signal source can be routed to these
outputs, including:
• Each note in a Drum Kit
• Insert Effect outputs
• Individual Programs in a Combination or Song (or the
sum of the Program’s oscillators in PROGRAM mode)
• Audio tracks
• Audio inputs
You can use these to isolate or group together sounds for
recording, or for complex live performance setups.
1. Connect the (individual) 1…4 outputs to the your amp
or mixer inputs.
20
Setup Connections
2. Use the Bus Select parameters to send the desired
sounds, audio tracks, inputs, or effects to the
individual outputs, as either mono (1…4) or stereo
(1/2 and 3/4) signals.
If the signal is going through one or more insert effects, the
output is set at the last IFX in the chain, via the Bus Select
parameter on the IFX– Insert FX page.
If a Program, Timbre, or Track is not going through any
insert effects, the output is set using the Bus Select
parameters on the Routing page.
To assign audio inputs directly to outputs, use Bus Select
parameters in the Sampling page.
In GLOBAL mode, the Basic Setup– Audio page L/R Bus Indiv. Assign setting lets you mirror the MAIN stereo L/R
output on any pair of individual outputs. You can use this to
create a private monitoring setup in live and studio
environments. For more information, see “L/R Bus Indiv.
Assign” on page 638 of the PG.
Note: The MASTER VOLUME slider doesn’t affect the
volume of the individual outputs.
Headphones
1. If you’re using headphones, connect them to the
NAUTILUS’ headphone jack.
2. Use the MASTER VOLUME slider to adjust the
volume of the headphones. The NAUTILUS’
headphone jack outputs the same signal as the (main)
L/MONO and R jacks.
Tip: To monitor the signals from the individual outputs, use
an external mixer.
2. Analog audio input connections
You can bring external analog audio sources into the
NAUTILUS for sampling, recording, or processing through
the internal effects.
Audio Inputs 1, 2
These two inputs use 1/4" TRS balanced jacks, and include
preamps with adjustable gain. To set up the audio inputs:
1. Connect your mics or the output jacks of your
external audio sources to the Input 1 and 2 jacks.
2. With the Audio Input param eter o n the PROG RAM >
Home– Sampling page, set Bus Select of Input 1 and
Input 2 to “L/R”.
3. Press the Audio In button while holding down the
SHIFT button to display the Analog Input Setup
dialog box. Switch “Input Select” to “Mic” or “Line”
according to the device that is connected, and adjust
the Analog Input Gain.
Choose the Mic setting only when connecting a mic. Note
that some microphones, such as condensers, may require
external phantom power, which is not supplied by the
NAUTILUS.
Choose the Line setting if you’ve connected a mixer,
computer, audio system, signal processor, or another
synthesizer.
Note: Guitars with active pickups can be connected directly.
Guitars with passive pickups (i.e., guitars that do not have
an internal preamp) can be used, but the impedance
mismatch will cause both a change in tone and a reduction in
volume. For best results, route such guitars through a preamp or effects unit before connecting them.
4. Adjust the output level on any connected external
equipment.
5. After turning on the power, use the Audio Input page
to set up the volume, pan, bus routing, and send levels
for the inputs, as desired.
For more information, see
• “Audio Input settings” on page 93
• “Audio Settings” on page 126
• “0–8: Sampling” on page 22 of the PG
• “0–2: Audio” on page 637 of the PG
3. Connecting Foot Pedals and Switches
Connecting a damper pedal
The damper pedal is also sometimes called the sustain pedal.
It acts like the similarly-named pedal on an acoustic piano;
when you hold down the pedal, notes will continue to sustain
even when you lift your hands off of the keyboard.
1. Connect an optional DS-1H damper pedal to the
DAMPER jack. If you’ve connected a DS-1H, you’ll
be able to obtain half-damper effects.
After turning the power on:
2. Go to the GLOBAL > Controllers/Scales– Controller
page, and use the Damper Polarity parameter to set
the damper polarity.
3. Go to the GLOBAL > Basic Setup– Basic page, and
use the Half Damper Calibration menu command to
adjust the sensitivity if desired.
For more information, see “Damper Pedal (Sustain)” on
page 31, and “Damper Polarity” on page 675 of the PG.
Connecting a foot switch
You can use a connected foot switch to perform functions
such as controlling sostenuto, soft pedal on/off, ARP on/off,
selecting Programs, Combinations, or Set List Slots,
starting/stopping the sequencer, and controlling tap tempo.
1. Connect a foot switch such as the optional PS-1 to the
ASSIGNABLE SWITCH jack.
2. After turning the power on, use GLOBAL >
Controllers/Scales– Controller “Foot Switch Assign”
and “Foot Switch Polarity” to assign the function
controlled by the foot switch and to specify the
polarity.
For more information, see “5–1a: Foot Switch &
Pedal/Damper” on page 675 of the PG.
21
Introduction to NAUTILUS
NAUTILUS
CD-R/RW,
hard disk,
removable disk, etc.
Type A
Type A
Type B
Type B
USB cable
USB hub
USB MIDI Controller
USB QWERTY Keyboard
Connecting a foot pedal
You can use a connected foot pedal to control volume,
modulation, or other functions.
1. Connect an optional XVP-20 or EXP-2 etc. to the
ASSIGNABLE PEDAL jacks.
2. After turning the power on, use GLOBAL >
Controllers/Scales– Controller “Foot Pedal Assign” to
assign the function controlled by the foot pedal.
For more information, see “Foot Pedal Assign” on page 675
of the PG.
4. Connecting USB devices
The NAUTILUS supports high-speed USB 2.0 for
connecting to storage devices, such as hard drives, flash
media, and CD-R/RW drives, as well as class-compliant
USB MIDI controllers.
USB storage devices
You can save and load samples, sounds, sequences, and other
data to and from USB 2.0 storage devices for backup,
transferring to computers, etc.
Note that HDR tracks must be played from and recorded
onto the internal disk. You can back them up to USB
devices, however.
The maximum supported capacity depends upon the format
of the USB device. With FAT16 format, the maximum
capacity is 4 GB; with FAT32, the maximum is 2 TB
(2,000 GB).
1. Use a USB cable to connect your USB storage device
to one of the NAUTILUS’s USB A ports.
Standard USB cables have a different connector at each
end. Plug the flat, rectangular connector into the
NAUTILUS, and plug the square-ish connector into the
external USB storage device.
Note: If the device you are using does not support hotplugging, make connections with the device powered-off,
and then turn on the power of your device.
2. Wait a few seconds for the device to be recognized.
3. Use the MEDIA mode Drive Select screen to check the
connection.
For more information, see “Loading & saving data” on
page 203.
USB MIDI controllers
You can connect class-compliant USB MIDI controllers
directly to the NAUTILUS, and use them just as you would
controllers connected to the 5-pin MIDI jacks. To do so:
1. Use a USB cable to connect your USB MIDI controller
to one of the NAUTILUS’s USB A ports.
If the controller is set to a different MIDI channel than the
NAUTILUS’s Global MIDI Channel, you can use it to
play a different sound than the local keyboard in
Combinations or Songs, as controlled by the Timbre or
Track MIDI settings.
USB alphanumeric keyboards
Anywhere that you can enter text, you can use a connected
USB alphanumeric keyboard as an alternative to the touchscreen keyboard. The standard US “IBM PC” QWERTY
keyboard layout is recommended.
Hot-plugging
The NAUTILUS supports USB hot-plugging. This means
that you can connect or disconnect the USB cable while the
power is on.
Note: In order to use hot-plugging, the USB device you are
connecting must also support hot-plugging.
8 USB devices maximum
NAUTILUS has USB 2.0 ports, and can support up to 8
USB devices simultaneously. Note that it doesn’t matter how
the devices are connected; even if you use hubs or different
ports, the maximum is always 8 devices.
USB Power
Some USB devices get their power from the USB
connection. These are called “bus-powered” devices, and
they are supported by the NAUTILUS.
Other USB devices may require a separate power source, in
addition to the USB connection; in this case, you’ll need to
use an appropriate power adaptor for the device.
There is a limitation to the total current supplied to all
connected USB devices, as defined by the USB
specification. If the total current consumption of the
connected devices exceeds this limit, the NAUTILUS may
not correctly recognize the connected USB devices. If this
happens, the error message “USB Hub Power Exceeded!”
will appear.
To avoid this problem, if you connect more than one USB
device, please use a self-powered USB hub in self-powered
mode. For details on connections and settings for your hub,
please refer to its documentation.
For details on the electrical current used by a specific USB
device, refer to its owner’s manual.
22
5. MIDI connections to equipment &
computers
Connections to MIDI equipment
The keyboard, controllers, and sequencer etc. of the
NAUTILUS can be used to control an external MIDI tone
generator. Conversely, another MIDI keyboard or sequencer
can control the tone generator of NAUTILUS to produce
sound.
• Use MIDI cables to connect the MIDI connectors of
NAUTILUS with the MIDI connectors of your external
device.
For more information, see “Connecting MIDI devices &
computers” on page 929 of the PG.
Connections to a computer via MIDI
In conjunction with MIDI software on your computer, you
can use the NAUTILUS as a MIDI controller, and transmit
the NAUTILUS sequencer playback as MIDI data. You can
also play the NAUTILUS sounds from the computer. To do
so:
• Use a MIDI interface to connect the MIDI connectors of
NAUTILUS to the MIDI connectors of your computer.
For more information, see “Connecting MIDI devices &
computers” on page 929 of the PG.
Note: Some USB-MIDI interfaces may not be able to
transmit or receive the NAUTILUS’s MIDI System
Exclusive messages.
Setup Connections
6. Connecting to computers via USB
The NAUTILUS’s USB B port lets you connect to a USBequipped Mac or Windows PC, for sending and receiving
MIDI and audio, and for connecting to the NAUTILUS
Editor.
For USB audio, the NAUTILUS uses the standard USB
audio driver that comes with Windows or macOS, so you
don’t need to install a separate audio driver.
Installing the KORG USB-MIDI driver
The NAUTILUS cannot be used by multiple applications
simultaneously when you are using the standard USB-MIDI
driver included with the Windows operating system. If you
want to use the NAUTILUS with multiple applications
simultaneously, you must install the Korg USB-MIDI driver.
Even if the NAUTILUS will not be used with multiple
applications, we recommend installing the KORG USBMIDI driver, as it may offer improved operating stability.
Download the “Korg USB-MIDI driver” from the Korg
website, and install it as described in the accompanying
documentation.
Note: See the Korg website for the latest information on OS
support.
https://www.korg.com/support/os/
Note: When you first connect the NAUTILUS to your
computer, the USB-MIDI driver included with the operating
system will be installed automatically.
23
Introduction to NAUTILUS
24
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