Introduction
Thank you for choosing a Yamaha PDP-400. Your PDP-400 is a fine musical instrument that employs advanced
Yamaha music technology. With the proper care, your PDP-400 will give you many years of musical pleasure.
● Full-keyboard ABC (Auto Bass Chord) provides ac-
companiment as you play across the entire
keyboard.
● 24 Solo Styleplay variations make it simple to pro-
duce rich, complex harmonies.
● 10-track performance memory records and plays
back your keyboard performances.
● Internal 3.5" floppy disk drive provides extended Per-
formance Memory capacity and Disk Orchestra play-
back capability – one blank floppy disk for recording
and one Disk Orchestra Collection disk with corre-
sponding score are provided.
● MIDI compatibility, GM voices, and a range of MIDI
functions make the PDP-400 useful in a range of ad-
vanced MIDI music systems.
Contents
Auto Bass Chord (ABC) .................... 20
■ Single-finger Accompaniment ........... 20
■ Fingered Accompaniment ................. 21
■ Full-keyboard ABC ............................ 22
■ Volume Control .................................. 22
■ Changing the ABC Split Point ........... 22
■ Special Modes ................................... 22
Disk Styles ............................................ 23
■ Selecting & Loading Disk Styles........ 23
■ Using a Loaded Disk Style ................ 24
Solo Styleplay ...................................... 25
■ Using Solo Styleplay ......................... 25
■ Harmonization Variations .................. 25
■ The Foot Switch & Solo Styleplay ..... 25
Disk Orchestra ..................................... 26
■ Automatic Performance ..................... 26
■ Playing Back only Specific Parts ....... 27
■ Volume Control .................................. 28
■
Guided Right- and Left-hand Practice
.. 28
■ Repeat Functions .............................. 29
■ Other Playback Controls ................... 30
■ DISK ORCHESTRA COLLECTION
Disk Copy .......................................... 30
■ Playing Other Types of Music Data ... 30
Performance Memory......................... 31
Easy One-pass Recording & Playback
.31
Multi-track Recording & Playback ..... 32
■ Adding New Tracks ........................... 34
■ Punch-in Recording ........................... 35
■ Playback ............................................ 36
The Chord Sequence Function .......... 37
Disk Control .......................................... 38
■ Formatting a New Disk ...................... 38
■ Copying Songs .................................. 39
■ Deleting a Song ................................. 40
■ Error Messages ................................. 40
Utility Mode 1 ........................................ 41
U1: Touch Sensitivity ............................ 41
U2: Accompaniment Volume Mode ....... 42
U3: Individual Key Tuning ..................... 42
U4: Style Tempo Switching ................... 42
U5: Auto Synchro Start Switching ......... 43
U6: Random All Song Repeat ............... 43
U7: Octave Shift .................................... 43
U8: Mute ................................................ 43
U9: Minor Harmonization ...................... 43
Ub: Standard MIDI File Playback Mode 43
Utility Mode 2 ........................................ 44
u1:
DOC Common Voice Conversion
........ 44
u2: Save Panel Settings ........................ 45
u3: Load Panel Settings ........................ 45
u4: Save Individual Key Tuning............. 45
u5: Load Individual Key Tuning ............. 46
u6: Quantize Song Data ........................ 46
MIDI Functions ..................................... 47
■ Send and Receive Channel Select.... 47
■ Local Control ON/OFF....................... 48
■ Program Change ON/OFF ................ 48
■ Control Change ON/OFF................... 48
■ The Multi-Timbre Mode ..................... 49
■ The Split Send Mode ......................... 49
■ MIDI Clock Select .............................. 50
■ Panel Data Send ............................... 50
■ MIDI Transpose Transmit .................. 50
■ The DOC Common Voice Mode........ 50
The Connectors ................................... 51
Troubleshooting .................................. 52
Options ................................................... 52
Index ....................................................... 53
MIDI Data Format .................................... i
Specifications......................................... v
Fingering Chart ..................................... vi
MIDI Implementation Chart ................ xi
Taking Care of Your PDP-400 ............ 1
The Panel Controls ............................... 2
Preparation.............................................. 4
The Volume Controls ........................... 5
Demonstration Playback ..................... 6
Voice Selection ...................................... 7
■ Selecting the 60 Voices ....................... 7
■ Keyboard Percussion .......................... 8
Dual Mode................................................ 9
■ Engaging the Dual Mode ..................... 9
■ Dual-mode Voice Balance ................... 9
Split Mode.............................................. 10
■ Engaging the Split Mode ................... 10
■ Changing the Split Voices ................. 10
■ Changing the Split Point .................... 10
■ Split Balance ..................................... 11
■ Damper Pedal Operation in the Split
Mode ................................................. 11
Digital Reverb Effects ........................ 12
■ Selecting a Reverb Effect .................. 12
■ Reverb Depth Control ........................ 12
The Keyboard & Polyphony ............. 13
Pitch Wheel ........................................... 13
Modulation Wheel ............................... 13
The Pedals............................................. 14
■ Damper Pedal ................................... 14
■ Foot Switch (Multi-function) ............... 14
Pan........................................................... 15
Transposition ....................................... 15
Pitch Control......................................... 16
■ The Pitch Display .............................. 16
Accompaniment................................... 17
■ Style Selection................................... 17
■ Tempo Control................................... 17
■ Starting the Accompaniment ............. 18
■ Fill-ins ................................................ 19
■ Stopping the Accompaniment ........... 19
■ Metronome ........................................ 19
● AWM (Advanced Wave Memory) tone generator sys-
tem offers a range of 60 rich, realistic voices.
● A maximum of 32-note polyphony permits use of so-
phisticated playing techniques.
● Piano-like touch response provides extensive expres-
sive control and outstanding playability.
● Dual and split play modes allow 2 voices to be played
simultaneously or individually with the left and right
hands.
● 24 exciting accompaniment styles can be used to
provide rhythm-only accompaniment or fully-orches-
trated rhythm, bass, and chord accompaniment. 50
additional accompaniment styles are provided on
floppy disk (Style Disk).
In order to make the most of your PDP-400’s performance potential and features, we urge you to read this Own-
er’s Manual thoroughly, and keep it in a safe place for later reference.
