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GLOBAL mode
This function does not memorize the contents of any
parameters that were edited. Before turning off the power,
be sure to write your data or save it in MEDIA mode.
Internal Headroom
NAUTILUS uses 32-bit floating point processing, resulting
in an outstanding internal dynamic range of about 1,500dB.
This means that internal signals can get both very loud and
very soft without any noticeable decrease in audio quality.
For instance, you don't need to worry about turning down
the oscillator level before entering a highly resonant filter, or
be too concerned about maximizing every gain stage.
Audio input and output, on the other hand, uses industry-
standard 24-bit fixed-point A/D and D/A converters. As with
all such converters, these have a theoretical maximum
dynamic range of 144dB, and the loudest level they can
produce is referred to as 0dBfs. If they try to produce a
louder signal, they will clip at 0dBfs (and sound bad!).
The Internal Headroom parameter helps to control the way
in which the internal 1,500dB dynamic range interacts with
the audio I/O's theoretical 144dB dynamic range.
To prevent internal signal levels from becoming so high that
they completely saturate the D/A converters, the system
intentionally limits the maximum signal level at the inputs to
IFX1–12, MFX1/2, and TFX1/2. Internal Headroom sets the
volume level at which this limiting happens, relative to the
D/A's maximum level of 0dBfs.
When this is set to Standard, signals in the FX Busses are
limited to the clip point of the D/As. To avoid internal
clipping, you can turn down the output of the voice (using
EQ Input Trim, for instance), or turn down the inputs or
outputs of individual effects.
When Internal Headroom is set to +12dB, +24dB, +36dB,
or +48dB, the FX Bus signals are allowed to be higher than
the maximum D/A levels. This means that there is less
chance of clipping internally, so that you don't need to be as
concerned about gain-staging between individual effects.
However, you still need to make sure that the signal level is
0dBfs or below before reaching the final outputs.
Hold Time
Hold Time controls the duration of Smooth Sound
Transitions. It sets how long reverbs, delays, and note
releases continue to ring out after a new sound has been
selected. The timer starts after all notes from the previous
sound are no longer being held down, and the sustain pedal
is released.
Individual Set List Slots can override this global setting with
specific Hold Times, if desired; see "Hold Time" on
page 567.
For more information, see "Smooth Sound Transitions" on
page 119 of the OG.
Knob Mode
This specifies how the front panel RT control knobs 1–6 will
operate.
When you switch programs, combinations, or songs, the
saved or default values will be recalled to the NAUTILUS's
RT control knobs 1–6. In the same way, when you use
SELECT button to switch the function of the knobs, the
value of these functions will be recalled and shown. At this
time, the actual knob locations may not necessary match the
634
[Standard, +12dB, +24dB,
+36dB, +48dB]
[0...60 seconds]
[Jump, Catch]
recalled values. The "Knob Mode" setting specifies the point
at which the value will begin changing when you move a
knob in such a situation.
Jump: The value will immediately change to the knob
location as soon as you move the knob.
Catch: The value will begin changing only when you have
moved the knob to the position that matches the current
value.
Suppose that you've turned a knob to edit a certain parameter,
and the knob is in the position shown.
Suppose that you switch programs, and the actual value of the
parameter assigned to the knob is now at the position indicated by
the triangle in the illustration.
The parameter value will not change until you turn the knob to that
position.
Once the knob has reached the position that corresponding to the
actual value, the parameter value and the knob position will be
linked, and the value will change as you turn the knob.
Note: When ARP/DRUM is selected with the SELECT
button, the RT control knob 6 (TEMPO) will always operate
as "Jump", even if it is set to "Catch".
Note: When USER is selected with the SELECT button and
a Mixer parameter is set for the RT control knob, the knob
will always operate as "Jump", even if it is set to "Catch".
Mute Mode
This parameter, new in NAUTILUS software version 2.1,
controls the behavior of Timbre Mute in Combinations and
Track Mute in Songs, including the on-screen Mute buttons.
The specific effects are different depending on whether you
are in COMBINATION mode or SEQUENCER mode.
Mute Mode in COMBINATION mode
Studio: Mutes control audio output of Timbres. It is
particularly useful for sound design, since you can mute and
un-mute Timbres without re-triggering notes.
Live: Mutes control MIDI input to Timbres. This is useful
for live performance, since it allows you to create a set of
Timbres for layering (such as piano, strings, and a pad), and
then use the Mute buttons to enable and disable the layers as
desired, without using polyphony for the muted layers.
@fig@@
Note: If the Timbre uses an EXi with fixed resources, those
resources will continue to use processing power. If the
Timbre is a CX-3, and the Noise Level parameter is non-
zero, the noise will continue to sound. For more information,
see "Noise Level" on page 186.
Mute Mode in SEQUENCER mode
Studio: Mutes control only sequencer MIDI input to Tracks;
keyboard routing to Tracks is unaffected. It's convenient
while working on Songs - for instance, if you want to try out
a different part for a previously recorded track.
Live: Mutes control both keyboard and sequencer MIDI
input to Tracks. This is useful for layering in live
performance, as described under "Mute Mode in
COMBINATION mode," above.
Beep Enable
On (checked): A beep will be heard when you press an
object in the LCD screen.
[Studio, Live]
[Off, On]
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