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CONGRATULATIONS
CONTENTS
PRECAUTIONS
1.Location
2.Cleaning
3.Service and Modifications
4.Relocation
CHAPTER I: SETTING UP
1. Audio Outputs
2.Optional Foot Controllers & Foot
Switches
3.Optional BC1 Breath Controller
7.AC Power
8.Music Rack lnstallation
CHAPTER II: PLAYING THE DX21
CHAPTER II:
1.The 32 Voice RAM Memory
2.The SINGLE Play Mode
3.The DUAL Play Mode
4.The SPLIT Play Mode
5.The 128 Voice ROM Memory
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CHAPTER III: THE FUNCTION MODE
CHAPTER III:
1.Accessing the FUNCTION Mode
2.Entering Function Data
3.The Performance Parameters
B1: POLY/MONO
B2: PITCH BEND RANGE
PB MODE: MODE SET
B3: PORTAMENTO MODE
B4: PORTAMENTO TIME
B5: PORTAMENTO FOOT SWITCH
B6: FOOT CONTROL VOLUME
B7: FOOT CONTROL SUSTAIN
B8: WHEEL RANGE (MODULATION WHEEL), PITCH
B9: WHEEL RANGE (MODULATION WHEEL), AMPLITUDE
The Yamaha Breath Controller
B10: BREATH RANGE, PITCH
B11: BREATH RANGE, AMPLITUDE
B12: BREATH RANGE, PITCH BIAS
B13: BREATH RANGE, EG BIAS
B14: CHORUS
B15: TRANSPOSE
4. Tuning Functions
A1: MASTER TUNE
A2: DUAL MODE DETUNE
5.Memory Management
Functions
A9: EDIT RECALL
A10: INIT VOICE
A11: LOAD INTERNAL MEMORY
A12: LOAD SINGLE INTERNAL MEMORY
A13: CASSETTE SAVE/VERIFY
A14: CASSETTE LOAD
A15: CASSETTE LOAD SINGLE
A16: MEMORY PROTECT
MIDI Functions
A3: MIDI ON-OFF
A4: RECEIVE CHANNEL
A5: TRANSMIT CHANNEL
A6: CHANNEL INFORMATION
A7: SYSTEM INFORMATION
A8: BULK TRANSMIT
CHAPTER IV:
1.Performance Memory
Organization
2.Accessing the Performance
Memory
CHAPTER V:
1.The Basics Of FM Synthesis
OPERATORS
CARRIERS AND MODULATORS
ALGORITHMS
HOW ALGORITHMS AFFECT THE SOUND
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FEEDBACK
ENVELOPE GENERATORS
THE PITCH EG
2.The EDIT and COMPARE Modes
3.The Voice Parameters
A1-A4:OPERATORlAMS ON-OFFIEGCOPY, 1—4
A5: ALGORITHM
A6: FEEDBACK
A7: LFO WAVE
A8: LFO SPEED
A9: LFO DELAY
A10: LFO PMD
A11: LFO AMD
A12: LFO SYNC
A13: PITCH MODULATION SENSITIVITY
A14: AMPLITUDE MODULATION SENSITIVITY
A15: EC BIAS
A16: KEY VELOCITY
B1: FREQUENCY RATIO
B2: DETUNE
B3-B7:ENVELOPE GENERATOR, AR, D1R, D1L, D2R, RR
B8: OPERATOR OUTPUT LEVEL
B9: RATE SCALING
B10: LEVEL SCALING
B11-16:PITCH ENVELOPE GENERATOR, PR1, PL1, PR2, PL2, PR3, PL3
4.STORING Voice Data
B16 (FUNCTION MODE): VOICE NAME
5.Two Approaches to Creating Your Own
Voices
GENERAL SPECIFICATIONS
Keyboard
Sound Source
Simultaneous Note Output
Internal
1. Transmission
Conditions
2. Transmission Data
2-1.CHANNEL INFORMATION
2-1-1.Channel Voice Message
2-2.SYSTEM INFORMATION
2-2-1.System Real-timeMessage
2-2-2.System Exclusive Message
(1) Parameter Change
(2) 1 Voice Bulk Data
(3) 32 Voice Bluk Data
3. Reception
4-1.CHANNEL INFORMATION
4-1-1.Channel Voice Message
4-1-2.Channel Mode Message
4-2. SYSTEM INFORMATION
4-2-1.System Real-TimeMessage
4-2-2. System Exclusive Message
(3) 1 Voice Bulk Data
(4) 32 Voice Bulk Data
(5) Dump Request
0010nnnn
0 f f f f f f f
5.System Exclusive Data
DATA (VMEM format)
no
Parameter
5-2.VOICE PARAMETERS (VCED format)
5-3.FUNCTION PARAMETERS
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FCC CERTIFICATION (USA)
20402-StockNo
NIPPON GAKKI CO., LTD. HAMAMATSU, JAPAN
OMD-127-185 05 2.0 CR Printed in Japan
Yamaha Corporation of America
9/10/98