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Korg X50 Operation Manual: Simple Program Editing; Performance Edit; Realtime Controls [1], [2], [3], [4], [select]

Korg x50 music synthesizer operation guide.
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Simple program editing

You can edit any of the Programs shipped with
X50, or you can start with an initialized Program
to create sounds from scratch.
On the X50, you can use the eight sliders in the
Performance Editor display and the realtime con-
troller knobs and switches of the front panel to
make simple changes to a program without hav-
ing to enter the editing pages that contain the
detailed editing parameters.

Performance Edit

By using the eight sliders of the Performance Edi-
tor, you can make overall adjustments to the sound.
When you move a slider, multiple program
parameters are adjusted simultaneously, meaning
that you can edit multiple parameters by adjusting
a single slider.
1. In Program mode (PROG 0: Play page), select
the program that you want to edit.
2. Press the [PAGE+] button (or [PAGE–] button)
to access the PROG 0: Play, Perform. Edit page.
3. Use the ClickPoint [√][®][π][†] to select the
performance editor parameter you want to
4. Use the [VALUE] dial etc. to adjust the value.
Note: If you want to reset the value, press
numeric button [0] and then press the [ENTER]
button to restore the previous setting.
Octave: Indicates the octave setting.
Pitch Stretch: Simultaneously adjusts the
transpose and tune settings of the oscillator.
This allows you to produce a variety of tonal
changes without losing the character of the
original sound.
This is particularly effective for acoustic-type
programs such as guitar, bass, or piano. Select
various programs and try this out.
OSC Balance: Adjusts the level balance
between oscillators 1 and 2.
Note: For programs whose "Mode (Oscillator
Mode)" (PROG 1: Ed–Basic, Prog Basic page)
setting is Single, oscillator 2 will not sound.
Simple program editing
Only the level of oscillator 1 will change. For a
Drums program, this performance editor will
have no effect.
Amp Level: Indicates the amp level. This will
adjust the volume of the entire program.
Attack Time: Indicates the attack time of the
filter EG and amp EG. This will adjust the
speed of the attack from note-on.
Note: In order to maximize the effect of the
Attack Time adjustment, the amp EG Start
Level, Attack Level, Start Level Modulation,
and Attack Time Modulation parameters are
also adjusted.
Decay Time: Indicates the decay time and
slope time of the filter EG and amp EG.
IFX Balance: This simultaneously adjusts the
"W/D (Wet/Dry)" balance of all insert effect.
MFX Balance: This simultaneously adjusts the
Return 1 and 2 parameters of the master effects.
Note: Depending on the settings of the program
parameters, the result may not be noticeable.
5. If you want to save the modified sound, select
the utility menu command "Write Program,"
and write the program. (☞p.45)
The edited content will be lost if you select
another program or turn off the power before
[3], [4], [SELECT]
The REALTIME CONTROLS [1]–[4] knobs can be
used to edit parameters such as the filter cutoff fre-
quency, resonance, the amp and filter EGs, vol-
ume, portamento time, pan, LFO speed and more.
Three different modes - A, B, and C - allow each
knob to control one of three separate parameters.
button to switch the function of the realtime
controllers to A-mode, B-mode, or C-mode.
Each time you press the button, A-mode, B-
mode or C-mode will be selected alternately,
and the corresponding LED will light.
Note: If CC#70–79 are assigned to REALTIME
CONTROLS A-mode or B-mode, the sound edited
by knobs [1]–[4] can be saved by the Program
Write operation (☞p.45).


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  • Carol Apr 13, 2018 08:55:
    It's very difficult to find how to engage the damper pedal. I still can't find how to do it.
  • Mike Saunders Jun 24, 2017 04:35:
    Great manual a must for any owner to have also great site for download
  • sonny May 20, 2016 06:52:
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  • sonny May 20, 2016 06:52:
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  • sonny May 20, 2016 06:22:
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