Reference Manual
Using this Reference Manual ........................................................................2
Edit Mode ........................................................................................................2
Changing detailed operator settings............................................................3
Operator Settings screen (page 1)..................................................................3
Operator Settings screen (page 2)..................................................................4
KSC (Keyboard Scaling) level setting (page 3)..............................................4
Setting the EG (envelope generator) ............................................................ 5
EG Level
EG Level Settings screen ................................................................................5
EG Rate
EG Rate Settings screen..................................................................................6
EN
Setting the LFO...............................................................................................7
LFO screen (page 1).........................................................................................7
LFO PMD On/Off screen (page 2)....................................................................8
LFO AMD screen (page 3)................................................................................8
Setting the Pitch EG.......................................................................................9
PITCH EG Level screen (page 1).....................................................................9
PITCH EG Rate screen (page 2) ....................................................................10
PITCH EG On/Off screen (page 3).................................................................10
Troubleshooting...........................................................................................11
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Using this Reference Manual
By using Edit mode on the reface DX, you can make detailed settings for individual operators.
Please read this manual if you wish make detailed changes to Voices on the reface DX.
Edit Mode
In Edit mode, you can make detailed adjustments to Voice settings.
NOTE
To change the algorithm, use the [ALGO] button from the FM section.
Edit mode is activated by pressing the [EDIT] button.
In Edit mode, you can use the [1] to [8] buttons from the VOICE SELECT/EDIT section as [OP1] to [OP4], [EG level], [EG
rate], [LFO], and [Pitch EG] buttons.
To leave Edit mode, press the [EDIT] button once again.
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Changing detailed operator settings
1234
Set Operators 1 to 4 as follows.
1. Press the [EDIT] button to activate Edit mode.
2. Press one of the [OP1] to [OP4] buttons to select the operator you wish to set.
The setting screen for the corresponding operator is displayed.
3. If necessary, press the same button several times to select the required page from the setting screen. When a setting
screen contains multiple pages, they are indicated in the form “ ” (i.e., page 1 of 3 pages).
4. Adjust the operator’s settings by using the sliders and/or switches.
5. If necessary, you can also adjust other settings at this time.
For example, if you press the [OP2] button while page 3 from the Operator 1 Settings screen is displayed, page 3 from
the Operator 2 Settings screen is displayed.
Similarly, if you press the [EG level] or [EG rate] button while the Operator 2 Settings screen is displayed, you can make
EG adjustments for Operator 2.
6. When you have finished making settings, press the [EDIT] button once again to leave Edit mode.
Operator Settings screen (page 1)
1 OP (operator) ON or Off Turns the operator on and off.
Selects the frequency setting method.
The frequency is set as a ratio with respect to the standard pitch.
Ratio
2 MODE
Fixed
Specifies the frequency by using a number.
When MODE is set to
3 FREQ (Frequency)
4 DTUNE (Detune) -64 to 0 to +63
“Ratio”:
When MODE is set to
“Fixed”:
This frequency is also displayed as a ratio when you press the
[FREQ] button.
The frequency is fixed, regardless of which key is played.
This frequency is also displayed in Hertz (Hz) when you press the
[FREQ] button.
Specify a value with respect to the standard
value of 1.00. When this value is doubled,
0.500 to 31.99
1.000 to 9,772 Hz
Detunes the frequency set with “FREQ”. Slightly detuning the frequency produces a chorus-like effect.
the octave increases by one; when halved,
the octave drops by one.
This value is also displayed when you press
the [FREQ] button.
Specifies the frequency in Hertz (Hz).
This value is also displayed when you press
the [FREQ] button.
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Operator Settings screen (page 2)
Break point (C3)
0Depth
+127
-127
LIN LIN
LIN LIN
EXP
EXP
EXP
EXP
C2 C5
Break point (C3)
L Curve R Curve
1234
Sets the output level.
In the case of carriers, this changes the volume.
1 LEVEL 0 to 127
VEL.S (Velocity
2
Sensitivity)
3 FB (Feedback)
0 to 127
-127 (SQUARE) to
0 to +127 (SAW)
KSC-Rate
4
(Keyboard
0 to 127
Scaling Rate)
In the case of modulators, this changes the degree to which the carrier(s) are
modulated.
This value is also displayed when you press the [LEVEL] button.
Used to change the volume and/or tone based on how hard you play the keys.
There is no change when the setting is “0”. The higher the value, the greater the
degree of change.
Selects the feedback level.
From “+1” to “+127”, the waveform changes from sine to sawtooth; from “-1” to
“-127”, it changes from sine to square.
At “0”, no feedback is applied and the waveform retains its normal sine shape.
This value is also displayed when you press the [FB] button.
Sets how the speed of the EG changes based on the area of the keyboard being
played. The higher the value, the faster the EG changes for the high-pitch side
compared with the low-pitch side.
KSC (Keyboard Scaling) level setting (page 3)
With keyboard scaling, you can adjust the effect of the envelope based on the area of the keyboard being played. In this way, it is
possible to achieve a balance between tone and volume that is similar to that of acoustic instruments. The keyboard is divided in
two at the break point (fixed at C3 on the reface DX). The high-pitch side at the right is set by using the R Depth and the R
Curve; the low-pitch side at the left is set by using the L Depth and the L Curve.
1
1 L Depth -127 to 0 to +127
2 L Curve
3 R Curve
4 R Depth -127 to 0 to +127
234
LR
Sets the degree of keyboard scaling at the left side of the keyboard. When set to “0”, no
keyboard scaling is applied.
LIN (Linear) The depth changes in a linear fashion from the break point to the left of the keyboard.
EXP (Exponential)
The depth changes in an exponential fashion from the break point to the left of the keyboard.
LIN (Linear) The depth changes in a linear fashion from the break point to the right of the keyboard.
EXP (Exponential)
The depth changes in an exponential fashion from the break point to the right of the
keyboard.
Sets the degree of keyboard scaling at the right side of the keyboard. When set to “0”,
no keyboard scaling is applied.
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Setting the EG (envelope generator)
Level 1
Level 2
Level 3
Level 4
Level
Rate 1 Rate 2 Rate 3 Rate 4
Time
Key on Key off
You can adjust the shape of the envelopes applied to the operators by using the [EG level] and [EG
rate] buttons. Volumes and modulation degrees are set on the EG Level screen; rates of change
are set on the EG Rate screen.
EG Level
EG levels can be set between “0” (minimum) and “127” (maximum) for each operator.
For carriers, these levels set the volume; for modulators, they set the degree of modulation.
1. Press the [EDIT] button to activate Edit mode.
2. Press the [EG level] button.
The EG Level Settings screen is displayed.
3. If necessary, press the [EG level] button several times to switch between operators.
4. Change the settings for Level 1 to Level 4 by using the sliders.
5. If necessary, alternately use the [EG level] and [EG rate] buttons to adjust the overall shape of the envelope.
6. When you have finished making settings, press the [EDIT] button once again to leave Edit mode.
EG Level Settings screen
1234
1 Level 1
2 Level 2 Decay level
3 Level 3 Sustain level
4 Level 4
0 to 127
Attack level
Release level
For settings other than “0”, the sound will stop when it reaches the Level 4 setting.
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EG Rate
EG rates can be set between “0” (slowest) and “127” (fastest) for each operator.
1. Press the [EDIT] button to activate Edit mode.
2. Press the [EG rate] button.
The EG Rate Settings screen is displayed.
3. If necessary, press the [EG rate] button several times to select the operator you wish to set.
4. Change the settings for Rate 1 to Rate 4 by using the sliders.
5. If necessary, alternately use the [EG level] and [EG rate] buttons to adjust the overall shape of the envelope.
6. When you have finished making settings, press the [EDIT] button once again to leave Edit mode.
EG Rate Settings screen
1234
1 Rate 1
2 Rate 2 Decay rate
3 Rate 3 Sustain rate
4 Rate 4 Release rate
0 to 127
Attack rate
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Setting the LFO
Noise wave
Samples
S&H
output
Interval set using the
LFO’s “SPEED”
parameter
You can set the LFO (low frequency oscillator) to change the waveform used to vary the sound and
apply effects such as vibrato, tremolo, and wah.
1. Press the [EDIT] button to activate Edit mode.
2. Press the [LFO] button.
The LFO Settings screen is displayed.
3. If necessary, press the [LFO] button several times to switch between this screen’s pages.
4. Adjust the LFO by using the sliders and/or switches.
5. When you have finished making settings, press the [EDIT] button once again to leave Edit mode.
LFO screen (page 1)
1234
Selects the LFO waveform.
SIN Sine wave
TRI Triangular wave
SAW U Ramp-up type sawtooth wave
1 WAVE
2 SPEED 0 to 127
3 DELAY 0 to 127 Sets how long it takes after pressing a key for the LFO to start.
PMD
4
(pitch modulation depth)
SAW D Ramp-down type sawtooth wave
SQ Square wave
S&H8
S&H
0 to 127 Sets the degree to which the pitch is affected by the LFO (vibrato).
Sample & Hold 8 wave
Values are sampled each 1/8th of the interval set using “SPEED”.
Sample & Hold wave
Values are sampled at the interval set using “SPEED”.
Sets the LFO speed.
When “WAVE” is set to “S&H” or “S&H8”, this parameter determines the interval at which values are sampled.
Sample & Hold (S&H)
Sample & Hold waves are formed by taking (sampling)
a value from a noise wave at a certain time and keeping
(holding) that value until the next one is taken. In this
way, it is possible to create a wave that changes in a
random fashion.
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LFO PMD On/Off screen (page 2)
1234
Operator 1
1
LFO PMD On/Off
Operator 2
2
LFO PMD On/Off
Operator 3
3
LFO PMD On/Off
Operator 4
4
LFO PMD On/Off
ON and off
Turns LFO PMD on and off.
When turned on, the PMD settings from the LFO screen (page 1) are active.
LFO AMD screen (page 3)
1234
Operator 1 AMD
1
(amplitude modulation depth)
2 Operator 2 AMD
3 Operator 3 AMD
4 Operator 4 AMD
0 to 127
Sets the degree to which the amplitude is affected by the LFO (tremolo,
wah).
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Setting the Pitch EG
Level 1
Level
Rate 1 Rate 2 Rate 3 Rate 4
Time
Key on Key off
0
+48
-48
Level 3
Level 2
Level 4
The operators’ pitches can be changed using an envelope. As with the normal EG, levels set the
degree to which the pitches are affected; rates set the rate of change. These values are common to
all operators.
1. Press the [EDIT] button to activate Edit mode.
2. Press the [Pitch EG] button.
The Pitch EG Settings screen is displayed.
3. If necessary, press the [Pitch EG] button several times to switch between this screen’s pages.
4. Set the envelope by using the sliders.
5. When you have finished making settings, press the [EDIT] button once again to leave Edit mode.
PITCH EG Level screen (page 1)
1234
1 Pitch EG Level 1
2 Pitch EG Level 2
3 Pitch EG Level 3
4 Pitch EG Level 4
-48 to 0 to +48
Adjust the Pitch EG levels.
The standard pitch is represented by “0”, and you can adjust the pitch
upward and downward by 48 semitones (4 octaves).
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PITCH EG Rate screen (page 2)
1234
1 Pitch EG Rate 1
2 Pitch EG Rate 2
3 Pitch EG Rate 3
4 Pitch EG Rate 4
0 to 127
Adjust the Pitch EG rates.
The higher the value, the faster the pitch changes.
PITCH EG On/Off screen (page 3)
1234
Operator 1
1
Pitch EG On/Off
Operator 2
2
Pitch EG On/Off
Operator 3
3
Pitch EG On/Off
Operator 4
4
Pitch EG On/Off
ON and off Turn the Pitch EG on or off for each operator.
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Troubleshooting
If this instrument does not behave as expected—for example, not producing the correct sound or
producing no sound at all—please refer first of all to “Troubleshooting” from your Owner’s Manual
(page 46). Many issues can also be resolved by doing a Factory Reset (page 40). If any specific
issue should persist, however, please contact your Yamaha dealer or a service center (see the
back of this booklet).
Issue Model(s) Suspected cause Solution
Press the [LEVEL] button from the FM
reface DX The carrier level is set to 0.
section, and confirm whether the carrier
level is set to “0”. If so, increase the carrier level.
No sound is produced.
Notes continue to
play without end.
The instrument
stopped producing
sound when a setting
was changed.
Notes started to play
without end when a
setting was changed.
reface DX All carriers are turned off.
reface DX
reface DX
The carrier’s Fixed frequency value is too low.
Rate 4 for the carrier’s EG
is too low.
In Edit mode, confirm whether the carrier
is turned on or off. If the carrier is off, turn
it on and ensure that its level is sufficiently high.
In Edit mode, confirm whether the carrier
mode is set to “Fixed” and the “FREQ”
value is too low. If so, increase the
“FREQ” value.
Raise Rate 4 for the EG.
Alternatively, select a different Voice to
stop the sound.
Manual Development Department
© 2015 Yamaha Corporation
Published 05/2015 PO-A0
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