Yamaha PDP-400 User manual

92-469-➀
ENVIRONMENTAL ISSUES: Yamaha strives to pro-
duce products that are both user safe and environmentally
friendly. We sincerely believe that our products and the
production methods used to produce them, meet these
goals. In keeping with both the letter and the spirit of the
law, we want you to be aware of the following:
Battery Notice: This product MAY contain a small non-
rechargeable battery which (if applicable) is soldered in
place. The average life span of this type of battery is ap-
proximately five years. When replacement becomes neces-
sary, contact a qualified service representative to perform
the replacement.
Warning: Do not attempt to recharge, disassemble, or
incinerate this type of battery. Keep all batteries away
from children. Dispose of used batteries promptly and as
regulated by applicable laws. Note: In some areas, the
servicer is required by law to return the defective parts.
However, you do have the option of having the servicer
dispose of these parts for you.
Disposal Notice: Should this product become damaged
beyond repair, or for some reason its useful life is consid-
ered to be at an end, please observe all local, state, and
federal regulations that relate to the disposal of products
that contain lead, batteries, plastics, etc.
NOTICE: Service charges incurred due to lack of knowl-
edge relating to how a function or effect works (when the
unit is operating as designed) are not covered by the
manufacturer’s warranty, and are therefore the owners
responsibility. Please study this manual carefully and con-
sult your dealer before requesting service.
NAME PLATE LOCATION: The graphic below indi-
cates the location of the name plate. The model number,
serial number, power requirements, etc., are located on
this plate. You should record the model number, serial
number, and the date of purchase in the spaces provided
below and retain this manual as a permanent record of
your purchase.
CAUTION
RISKOFELECTRICSHOCK
DONOTOPEN
CAUTION:TOREDUCETHERISKOFELECTRICSHOCK.
DONOTREMOVECOVER(ORBACK).
NOUSER-SERVICEABLEPARTSINSIDE.
REFERSERVICINGTOQUALIFIEDSERVICEPERSONNEL.
PRODUCT SAFETY MARKINGS: Yamaha electronic
products may have either labels similar to the graphics
shown below or molded/stamped facsimiles of these
graphics on the enclosure. The explanation of these graph-
ics appears on this page. Please observe all cautions indi-
cated on this page and those indicated in the safety in-
struction section.
The exclamation point with the equilat-
eral triangle is intended to alert the user
to the presence of important operating
and maintenance (servicing) instruc-
tions in the literature accompanying the
product.
The lightning flash with arrowhead
symbol within the equilateral triangle is
intended to alert the user to the pres-
ence of uninsulated “dangerous volt-
age” within the product’s enclosure that
may be of sufficient magnitude to con-
stitute a risk of electrical shock.
IMPORTANT NOTICE: All Yamaha electronic products
are tested and approved by an independent safety testing
laboratory in order that you may be sure that when it is
properly installed and used in its normal and customary
manner, all foreseeable risks have been eliminated. DO
NOT modify this unit or commission others to do so un-
less specifically authorized by Yamaha. Product perform-
ance and/or safety standards may be diminished. Claims
filed under the expressed warranty may be denied if the
unit is/has been modified. Implied warranties may also be
affected.
SPECIFICATIONS SUBJECT TO CHANGE: The
information contained in this manual is believed to be
correct at the time of printing. However, Yamaha reserves
the right to change or modify any of the specifications
without notice or obligation to update existing units. Model _____________________________________
Serial No.__________________________________
Purchase Date _____________________________
SPECIAL MESSAGE SECTION
PERSONALDIGITAL PIANO MODEL PDP-400
MIDI
OUT
THRU IN
FOOTSWITCH
DAMPER
AUXOUT
RL/L+R
L
AUXIN
SPEAKER
ON OFF R

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.

English
Owner’s Manual
Deutsch
Bedienungsanleitung
Français
Mode d’emploi
Español
Manual de instrucciones
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Personal Digital Piano PDP-400

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1
1. Avoid Humidity & Heat
Avoid placing the PDP-400 in areas that are subject to exces-
sive humidity or heat.Do not leave the instrument near heaters
or in a car exposed to direct sunlight, for example.
2. Avoid Dust & Moisture
Avoid locations in which the instrument is likely to be exposed
to excessive dust or moisture.
3. Power-off Before Connecting
Connections between the PDP-400 and any other device must
be made with both pieces of equipment turned off.
4. Handle With Care
Never apply excessive force to the controls, connectors or
other parts of your PDP-400, and avoid scratching or bumping
it with hard objects. Further, always turn the POWER switch off
after use.
5. Clean Carefully
Clean the cabinet and keys of your PDP-400 only with a clean,
slightly damp cloth. A neutral cleanser may be used if desired.
Never use abrasive cleansers, waxes, solvents or chemical
dust cloths since these can dull or damage the finish.
6. Never Tamper With the Internal Circuitry
Never open the PDP-400 cabinet and touch or tamper with the
internal circuitry.Tampering with the circuitry can result in elec-
trical shock!
7. Electric Interference
Since the PDP-400 contains digital circuitry, it may cause inter-
ference if placed too close to radio or television receivers. If
this occurs, move the instrument further away from the affected
equipment.
8. Check Your Power Supply
Make sure that your local AC mains voltage matches the volt-
age specified on the name plate on the rear panel. In some
areas a voltage selector may be provided on the rear panel.
Make sure that the voltage selector is set for the voltage in
your area.
9. Name Plate Location
The PDP-400 name plate, including the unit’s serial number, is
located on the rear panel of the main unit.
10.Handling Floppy Disks
Yamaha Disk Orchestra Collection and Style Disk are write-
protected, and therefore cannot be used to save songs.To save
Performance Memory songs from the Performance Memory, a
blank floppy disk should be used (one blank disk is supplied
with the PDP-400).
Taking Care of Your Floppy Disks
■Do NOT eject the disk during recording or playback, or at
any time when the disk drive lamp is lit. Doing so may dam-
age both the disk and the FDD.
■Do NOT turn the PDP-400 on or off while the disk is in the
drive.
■Always eject the disk before turning the PDP-400 off.
■When ejecting a floppy disk from the disk drive:
Your PDP-400 will give you years of playing pleasure if you observe the simple rules given below:
•To eject a floppy disk, press the eject button slowly as far as
it will go. Then when the disk Is fully ejected, remove it by
hand.
•The disk may not be ejected properly if the eject button is
pressed too quickly or if it is not pressed in far enough. (The
eject button may become stuck halfway with the disk ex-
tending from the slot by only a few millimeters). If this is the
case, do not attempt to pull out the partially ejected disk.
Doing so may damage the disk drive mechanism and/or the
floppy disk. To remove a partially ejected disk, try pressing
the eject button once again or push the disk back into the
slot, then repeat the eject procedure carefully.
■Do not insert anything but floppy disks into the disk
drive.Other objects may cause damage to the disk
drive or floppy disk.
■Use only double-sided double density (2DD) 3.5-inch
floppy disks with the PDP-400.
Taking Care of Your PDP-400
Disk drive lamp
Precautions Regarding Floppy Disk Use
■Never open the disk’s shutter. Dirt or dust on the
Internal magnetic surface will cause data errors.
■Never leave disks near a speaker, TV, or other de-
vice that emits a strong magnetic field.
■Do not store disks in places exposed to direct sun-
light or sources of high temperature.
■Do not place heavy objects such as books on top of
a disk.
■Avoid getting the disks wet.
■Be sure to store the disks in environmental condi-
tions as specified below:
•Storage temperature: 4 ° to 53 ° C (39 ° to 127 ° F).
•Storage humidity: 8 to 90% relative humidity.
•Store in an area free from dust, sand, smoke, etc.
■Be sure to apply the disk label at the proper position.
When changing the label never cover the old label
with a new label; always remove the old label first.
Head Cleaning
The head of the disk drive unit will get dirty as you use
it eventually causing data errors. If this occurs, clean
the head with a 3.5 inch head cleaning disk (available
from most computer supply stores).
Data Backup
It is recommended that you copy your recorded songs
to another disk for backup (see page 39). If the original
disk is damaged or your song is deleted, the backup
disk can be used instead of the original.
Protecting Your Data (Write Protect Tab)
Write protect tab
open (locked —
write protected)
Write protect tab
closed (unlocked —
write enabled)

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2The Panel Controls
1POWER Switch........................................................page 4
2MASTER VOLUME Control .....................................page 5
3[DEMO] Button.........................................................page 6
4[REVERB] Button...................................................page 12
5[FOOT SWITCH] Button ........................................page 14
6[MIDI/TRANSPOSE] Button ..... page 5, 15, 29, 34, 41-50
7AUTO ACCOMPANIMENT Volume Controls.... page 5, 22
8AUTO BASS CHORD [FULL KEYBOARD] Button. page 22
9AUTO BASS CHORD [SINGLE FINGER] Button.page 20
0AUTO BASS CHORD [FINGERED] Button ..........page 21
![SOLO STYLEPLAY] Button..................................page 25
@[START/STOP] Button .................................... page 18, 19
#[SYNCHRO START] Button...................................page 18
$[INTRO/ENDING] Button................................ page 18, 19
%[NORMAL/FILL TO NORMAL] Button............ page 18, 19
^[VARIATION/FILL TO VARIATION] Button ..... page 18, 19
&STYLE Selectors ...................................................page 17
*[DISK STYLE] Buttons ..........................................page 23
(BEAT Display .........................................................page 19
)[METRONOME] Button .........................................page 19
MAX
MIN
DOWN
UP
PITCH MODULATION
A-1 B-1 C0 D0 E0 F0 G0 A0 B0 C1 D1 E1 F1 G1 A1 B1 C2 D2 E2 F2 G2 A2 B2 C3 D3
0
JAZZ
ROCK
POP DANCE
POP 16BEAT
BALLAD ROCK’N’
ROLL ROCK
SHUFFLE
SWING
BOOGIE
BIG BAND
SAMBA
BOSSA
RHUMBA
CHA-CHA
POLKA
MARCH JAZZ
WALTZ
WALTZ
BLUE-
GRASS
STYLE
POWER
HOUSE 16BEAT
POP 16BEAT
SHUFFLE
SLOW
ROCK COUNTRY
SHUFFLE DISK
STYLE 1
DISK
STYLE 2
JAZZ
BALLAD
PIANO
ORGAN
VOICE
8
1
COSMIC
HALL 2
HALL 1
ROOM
REVERB
DEMO
MIDI/
TRANSPOSE
POWER
TAP TEMPO
METRONOME
BEAT
SOLO STYLEPLAY
START/STOP
SOSTENUTO
SOFT
FOOT SWITCH
MAX
MIN
MAX
MIN
MAX
MIN
RHYTHM CHORD 1 CHORD 2
BASS
AUTO ACCOMPANIMENT
MIN MAX
MASTER VOLUME
SINGLE FINGERFULL KEYBOARD
VARIATIONNORMAL
FILL TO VARIATION
INTRO/ENDING
START/STOP
AUTO BASS CHORD
SOLO
STYLEPLAY
SYNCHRO
START
FILL TO NORMAL
FINGERED
CDEFGAB
REVERB VOL
MIN MAX MIN MAX
MIC. VOL MIC.
PHONES
WE
1
5436
2
7890!
%@# $^
&()
wq
*
Q

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3
The Panel Controls
qTEMPO Display and [▲] and [▼] Buttons.............page 17
w[TAP] Button ...........................................................page 19
eVOICE Selectors......................................................page 7
r[SPLIT] Button .......................................................page 10
t3.5" Floppy Disk Drive ........................ page 23, 26, 31, 38
yDISK ORCHESTRA/PERFORMANCE MEMORY
Display and Buttons........................................ page 26, 31
u[CHORD SEQUENCE] Button...............................page 37
iDISK CONTROL Buttons ......................................page 38
oKeyboard ................................................................page 13
PITCH Wheel .........................................................page 13
QMODULATION Wheel ............................................page 13
WPHONES Jack .........................................................page 4
EMIC. Jack with MIC. VOL. &
REVERB VOL. Controls.........................................page 51
RSPEAKER ON/OFF Switch .....................................page 4
TAUX IN R and L Jacks ...........................................page 51
YAUX OUT R and L/L+R Jacks ...............................page 51
UDAMPER Jack .......................................................page 14
IFOOT SWITCH Jack .............................................page 14
OMIDI Connectors....................................................page 51
PERSONAL DIGITAL PIANO MODEL PDP-400
MIDI
OUT
THRU IN
FOOT SWITCH
DAMPER
AUX OUT
RL/L+R
L
AUX IN
SPEAKER
ON OFF R
Y OIUTR
PDP-400
IN OUT
MIDI FOOT SWITCH DAMPER
THRU L/L+R R
AUX OUT
——LR
AUX IN
——SPEAKER
OFF ON
E3 F3 G3 A3 B3 C4 D4 E4 F4 G4 A4 B4 C5 D5 E5 F5 G5 A5 B5 C6 D6 E6 F6 G6 A6 B6 C7
SONG NUMBER
E.PIANO HARPSI VIBES GUITAR STRINGS SPLIT
CHOIR UPRIGHT
BASS ELEC BASS DRUMS VOICE 13-60
CLAVINOVA
TONE
234567
90
FORMAT
COPY
DISK CONTROL
DISK ORCHESTRA / PERFORMANCE MEMORY
PHRASE
REPEAT
CHORD
SEQUENCE
RECPAUSE
F F
REW
START/STOP
SONG
SELECT
RIGHT/1TR LEFT/2TR ORCH/3-10TR RHYTHM
/
GUIDE
e r t y
ui
o

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4Preparation
■The Music Stand
Attach the supplied music stand to the PDP-400 by inserting it into the groove
at the rear of the instrument’s top panel.
■The Foot Switch
The supplied FC4 foot switch should normally be connected to the DAMPER
jack. It (or an optional FC4 or FC5 foot switch) can also be connected to the
FOOT SWITCH jack — see page 14 for details.
FOOT SWITCH
DAMPER
■The Power Switch
In some areas the power cord must be connected to a socket on the rear panel of
the instrument before being plugged into an AC wall outlet. A plug adaptor may
also be provided to match the pin configuration of the AC wall outlets in your area.
Make sure the power cord is properly connected to both the instrument and a con-
venient AC wall outlet, then press the [POWER] switch located to the left of the
keyboard once to turn the power on. Press the [POWER] switch again to turn the
power off.
When the power is initially turned on, the PIANO voice selector LED will
light, the POP style selector LED will light, and “72” will appear on the TEMPO
display.
POWER
■SPEAKER ON OFF Switch
If you will be using the PDP-400 with an external sound system connected via
the AUX OUT jacks, the internal amplifier and speaker system can be turned off by
using the rear-panel SPEAKER ON OFF switch.
SPEAKER
ON OFF
■Headphones
A pair of stereo headphones can be plugged in here for private practice or late-
night playing. The internal speaker system is automatically shut off when a pair of
headphones is plugged into the PHONES jack.
PHONES

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5
The PDP-400 has several volume controls that give
you extra versatility in creating the required sound.
The Volume Controls
●Auto Accompaniment ............................................................................................................................
Separate volume controls are provided for the RHYTHM, CHORD 1,
CHORD 2, and BASS sound. These volume controls let you set up the best
balance between the various accompaniment parts when the AUTO BASS
CHORD (ABC), Disk Orchestra Collection playback, and Performance Memory
features are used, and the RHYTHM volume control can be used to balance the
keyboard and rhythm sound when only rhythm accompaniment is used.
The volume of the keyboard can be independently adjusted by using the BASS
control while holding the [MIDI/TRANSPOSE] button — this is particularly
handy for adjusting the balance when recording the PDP-400 sound.
●Master Volume ........................................................................................................................................
The MASTER VOLUME control adjusts the overall volume of sound
produced by the PDP-400. It also adjusts headphone volume when a pair of head-
phones is plugged into the PHONES jack.
Initially set the MASTER VOLUME control about half way between the
“MIN” and “MAX” settings. Then, when you start playing, adjust the control for
the most comfortable listening level.
The PDP-400 features a powerful stereo amplifier delivering 20 watts per channel to a high-
performance speaker system . The PDP-400 speaker system employs two 13-centimeter
speaker units that deliver exceptionally rich sound with natural response from powerful lows
to shimmering highs.
The Internal Amplifier &
Speaker System
●Other Volume Control Modes
The Auto Accompaniment volume controls can be assigned to other functions
via the “Accompaniment Volume Mode” utility function (page 42). They can be
used to control modulation, pitch bend, and expression; or individual reverb
depth for the rhythm, chord 1, chord 2, and bass parts.
NOTES
•If any or all of the Auto Accompaniment volume controls are set to their minimum
positions, no sound will be produced by the corresponding parts. The maximum
control positions produce the normal volume levels.
TAP TEMPO
METRONOME
SONGNUMBER
MAX
MIN
MAX
MIN
MAX
MIN
MIN MAX
VARIATIONNORMAL
INTRO/ENDING
START/STOP
AUTOBASS CHORD
SOLO
STYLEPLAY
SYNCHRO
START
SINGLEFINGERFULLKEYBOARD FINGERED
JAZZ
ROCK
POP DANCE
POP 16BEAT
BALLAD ROCK’N’
ROLL ROCK
SHUFFLE
SWING
BOOGIE
BIGBAND
SAMBA
BOSSA
RHUMBA
CHA-CHA
POLKA
MARCH JAZZ
WALTZ
WALTZ
BLUE-
GRASS
STYLE
POWER
HOUSE 16BEAT
POP 16BEAT
SHUFFLE
SLOW
ROCK COUNTRY
SHUFFLE DISK
STYLE1
DISK
STYLE2
JAZZ
BALLAD
PIANO E.PIANO HARPSI VIBES GUITAR STRINGS SPLIT
ORGAN CHOIR UPRIGHT
BASS ELEC BASS DRUMS VOICE13-60
CLAVINOVA
TONE
VOICE
8
1234567
90
DISKORCHESTRA / PERFORMANCE MEMORY
PHRASE
REPEAT
CHORD
SEQUENCE
REC FORMAT
COPY
PAUSE
FF
REW
START/STOP
SONG
SELECT
RIGHT/1TR LEFT/2TR ORCH/3-10TR RHYTHM
/
DISKCONTROL
GUIDE
COSMIC
HALL2
HALL1
ROOM
SOLOSTYLEPLAY
START/STOP
SOSTENUTO
REVERB
DEMO
SOFT
MIDI/
TRANSPOSE
MASTERVOLUME
RHYTHM CHORD1 CHORD2
BASS
AUTOACCOMPANIMENT
BEAT
FOOTSWITCH
MAX
MIN
MAX
MIN
MAX
MIN
RHYTHM CHORD 1 CHORD 2
BASS
AUTO ACCOMPANIMENT
MIN MAX
MASTER VOLUME
MIN MAX
MASTER VOLUME
MIDI/
TRANSPOSE
MAX
MIN
MAX
MIN
MAX
MIN
RHYTHM CHORD 1 CHORD 2
BASS
AUTO ACCOMPANIMENT
MAX
MIN
BASS

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6Demonstration Playback
The PDP-400 features 13 demonstration tunes that demonstrate some of its voices.
Here’s how you can select and play the demo tunes.
The Demo Tunes
VOICE NAME COMPOSER SONG TITLE
PIANO F. F. Chopin Etude Op.25-1 “Aeolian Harp”or “The Shephered Boy”
CLAVINOVA TONE D. Foster “Water Fountain”from “The Secret of My Success”
HARPSICHORD J. S. Bach Italienisches Konzert (Italian Concerto) BWV 971 3rd movement
GUITAR I. Albeniz Asturias
STRINGS A. Vivaldi The Four Seasons No. 3 “Autumn”1st movement
ORGAN J. S. Bach Sinfonia from Kantate (Cantata) 29 BWV 29
CHOIR W. A. Mozart Requiem K. 626 No. 6 “Lacrimosa”
* The demonstration pieces listed above are short excerpts from the original compositions.
All other songs are original (© 1994 by Yamaha Corporation).
TAP TEMPO
METRONOME
SONGNUMBER
MAX
MIN
MAX
MIN
MAX
MIN
MIN MAX
VARIATIONNORMAL
INTRO/ENDING
START/STOP
AUTOBASS CHORD
SOLO
STYLEPLAY
SYNCHRO
START
SINGLEFINGERFULLKEYBOARD FINGERED
JAZZ
ROCK
POP DANCE
POP 16BEAT
BALLAD ROCK’N’
ROLL ROCK
SHUFFLE
SWING
BOOGIE
BIGBAND
SAMBA
BOSSA
RHUMBA
CHA-CHA
POLKA
MARCH JAZZ
WALTZ
WALTZ
BLUE-
GRASS
STYLE
POWER
HOUSE 16BEAT
POP 16BEAT
SHUFFLE
SLOW
ROCK COUNTRY
SHUFFLE DISK
STYLE1
DISK
STYLE2
JAZZ
BALLAD
PIANO E.PIANO HARPSI VIBES GUITAR STRINGS SPLIT
ORGAN CHOIR UPRIGHT
BASS ELEC BASS DRUMS VOICE13-60
CLAVINOVA
TONE
VOICE
8
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90
DISKORCHESTRA / PERFORMANCE MEMORY
PHRASE
REPEAT
CHORD
SEQUENCE
REC FORMAT
COPY
PAUSE
FF
REW
START/STOP
SONG
SELECT
RIGHT/1TR LEFT/2TR ORCH/3-10TR RHYTHM
/
DISKCONTROL
GUIDE
COSMIC
HALL2
HALL1
ROOM
SOLOSTYLEPLAY
START/STOP
SOSTENUTO
REVERB
DEMO
SOFT
MIDI/
TRANSPOSE
MASTERVOLUME
RHYTHM CHORD1 CHORD2
BASS
AUTOACCOMPANIMENT
BEAT
FOOTSWITCH
PIANO E.PIANO HARPSI VIBES GUITAR STRINGS
ORGAN CHOIR UPRIGHT
BASS ELEC BASS DRUMS VOICE 13-60
CLAVINOVA
TONE
8
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90
DEMO
ZPress the [DEMO] button .......................................................................................................................
XSelect a Demo Tune ...............................................................................................................................
The 13 demo tunes are selected via the VOICE selectors — the voice selectors
will flash in sequence when the [DEMO] button is pressed. Press a selector to start
playback of the corresponding tune. You can also select continuous repeat playback
of all demo tunes by pressing the [START/STOP] button. The demo tunes will
play back in sequential or random order, depending on the setting of the “Random
All Song Repeat” utility function described on page 43.
CAdjust the Volume ..................................................................................................................................
Use the MASTER VOLUME control to adjust the volume, and play along on
the keyboard if you like.
NOTES
•The tempo cannot be adjusted during demo playback.
VStop Playback .........................................................................................................................................
Demo playback can be stopped temporarily by pressing the [START/STOP]
button. Press the [DEMO] button when you want to stop demo playback and return
to the normal mode.
DEMO
PIANO E.PIANO HARPSI VIB
E
ORGAN CHOIR UPRIGHT
BASS ELEC BASS DR
U
CLAVINOVA
TONE
8
12345
90
MIN MAX
MASTER VOLUME
DEMO
START/STOP

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7
Voice Selection
The PDP-400 has a total of 60 different voices
that can be selected in a number of ways.There’s
also a “Keyboard Percussion”mode that let’s you
play a range of drums and percussion instruments
on the keyboard.
■Selecting the 60 Voices
●Voices 1-12: Direct Panel Selection......................................................................................................
Of the PDP-400’s 60 voices, 12 are “panel voices” which
can be directly accessed by pressing the corresponding
VOICE selector. When a voice selector is pressed the corre-
sponding indicator will light and the number of the selected
voice will appear on the TEMPO display while the voice
selector is held.
The PIANO voice is automatically selected when the
power is initially turned on.
●The VOICE 13-60 [▲] and [▼] Buttons..................................................................................................
Use the [▲]and [▼] buttons immediately to the right of
the [VOICE 13-60] button to select a voice number between
13 and 60. Press either button briefly to select the next voice
number in the specified direction, or hold the button for con-
tinuous scrolling in the specified direction. The [VOICE 13-
60] indicator will light and the voice number will appear on
the TEMPO display during selection.
If a panel voice (1-12) is selected, the last selected voice in
the 13-60 range can be instantly re-selected simply by press-
ing the [VOICE 13-60] button. The [VOICE 13-60] button
will initially select voice number 13 (BRASS) after the power
is turned on.
NOTES
•Voice number 13 can be instantly selected by pressing
the [ ▲ ] and [ ▼ ] buttons simultaneously.
●Numeric Selection ..................................................................................................................................
Enter the number of the desired voice via the voice selec-
tors (note that each voice selector has a number between 1 and
0 associated with it) while pressing the [DRUMS] selector.
To select voice number 16, for example, press and hold
[DRUMS], press [PIANO/1], then [GUITAR/6], then release
the [DRUMS] button. The voice number will appear on the
TEMPO display while the [DRUMS] button is held. The
[VOICE 13-60] button indicator will light whenever a voice
number between 13 and 60 is selected.
TAP TEMPO
METRONOME
SONGNUMBER
MAX
MIN
MAX
MIN
MAX
MIN
MIN MAX VARIATIONNORMAL
INTRO/ENDING
START/STOP
AUTOBASS CHORD
SOLO
STYLEPLAY
SYNCHRO
START
SINGLEFINGERFULLKEYBOARD FINGERED JAZZ
ROCK
POP DANCE
POP 16BEAT
BALLAD ROCK’N’
ROLL ROCK
SHUFFLE
SWING
BOOGIE
BIGBAND
SAMBA
BOSSA
RHUMBA
CHA-CHA
POLKA
MARCH JAZZ
WALTZ
WALTZ
BLUE-
GRASS
STYLE
POWER
HOUSE 16BEAT
POP 16BEAT
SHUFFLE
SLOW
ROCK COUNTRY
SHUFFLE DISK
STYLE1
DISK
STYLE2
JAZZ
BALLAD
PIANO E.PIANO HARPSI VIBES GUITAR STRINGS SPLIT
ORGAN CHOIR UPRIGHT
BASS ELEC BASS DRUMS VOICE13-60
CLAVINOVA
TONE
VOICE
8
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90
DISKORCHESTRA / PERFORMANCE MEMORY
PHRASE
REPEAT
CHORD
SEQUENCE
REC FORMAT
COPY
PAUSE
FF
REW
START/STOP
SONG
SELECT
RIGHT/1TR LEFT/2TR ORCH/3-10TR RHYTHM
/DISKCONTROL
GUIDE
COSMIC
HALL2
HALL1
ROOM
SOLOSTYLEPLAY
START/STOP
SOSTENUTO
REVERB
DEMO
SOFT
MIDI/
TRANSPOSE
MASTERVOLUME
RHYTHM CHORD1 CHORD2
BASS
AUTOACCOMPANIMENT BEAT
FOOTSWITCH
PIANO E.PIANO HARPSI VIBES GUITAR STRINGS
ORGAN CHOIR UPRIGHT
BASS ELEC BASS DRUMS VOICE 13-60
CLAVINOVA
TONE
8
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90
PIANO E.PIANO HARPSI VIBES GUITAR STRINGS SPLIT
ORGAN CHOIR UPRIGHT
BASS ELEC BASS DRUMS VOICE 13-60
CLAVINOVA
TONE
8
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90
VOICE 13-60
14
PIANO E.PIANO HARPSI VIBES GUITAR STRINGS SPLIT
ORGAN CHOIR UPRIGHT
BASS ELEC BASS DRUMS VOICE 13-60
CLAVINOVA
TONE
8
1234567
90

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8Voice Selection
No. Name Usable Range
1 PIANO A-1 - C7
2 CLAVINOVA TONE C1 - C7
3 E. PIANO C1 - C6
4 HARPSI C1 - C6
5 VIBES F2 - F5
6 GUITAR E1 - F#4
7 STRINGS C0 - C6
8 ORGAN C0 - C6
9 CHOIR E1 - E5
10 UPRIGHT BASS C0 - F#3
11 ELEC BASS E0 - F#3
12 DRUMS —
No. Name Usable Range
19 SAX SOFT A#0 - F#5
20 CLARINET D2 - A#5
21 OBOE A#2 - G5
22 FLUTE G2 - F#6
23 ACCORDION F2 - A5
24 HARMONICA C3 - C6
25 STRINGS SOFT C0 - C6
26 VIOLIN C0 - C6
27 VIOLIN HARD C0 - C6
28 FULL ORGAN C0 - C6
29 JAZZ ORGAN 1 C1 - C6
30 SYNTH BRASS C1 - C6
31 SYNTH WOOD C2 - F#6
32 SYNTH STRINGS C0 - C6
33 SYNTH CHOIR E1 - E5
34 PIANO BRIGHT A-1 - C7
35 PIANO SOFT A-1 - C7
36 E. PIANO DX C1 - C6
37 SYNTH CRYSTAL C2 - C6
38 CELESTA C2 - C6
39 MARIMBA C2 - C6
No. Name Usable Range
40 FOLK GUITAR E1 - A4
41 JAZZ GUITAR 1 E1 - A4
42 JAZZ GUITAR 2 E1 - A4
43 ROCK GUITAR 1 E1 - A4
44 ROCK GUITAR 2 E1 - A4
45 MUTE GUITAR E1 - A4
46 BANJO C3 - A5
47 PIZZICATO C1 - C6
48 HARP C1 - C6
49 U. BASS SOFT C0 - F#3
50 E. BASS SOFT E0 - F#3
51 E. BASS HEAVY E0 - F#3
52 SYNTH BASS E0 - F#3
53 TIMPANI & ORCH. HIT E0 - C2/G2 - C6
54 BASSOON A#0 - D4
55 CHAMBER STRINGS C1 - C6
56 JAZZ ORGAN 2 C1 - C6
57 ROCK GUITAR 3 E1 - A4
58 COSMIC 1 G0 - C6
59 COSMIC 2 G0 - C6
60 COSMIC 3 G0 - C6
NOTES
•When the DRUMS voice is selected only the keys with drum or percussion sym-
bols printed below them will sound.
•The PIANO voice is automatically selected when the power is initially turned on.
No. Name Usable Range
13 BRASS F0 - C6
14 POP BRASS F0 - C6
15 TRUMPET F0 - C6
16 MUTE TRUMPET F#2 - A5
17 HORN A#0 - F4
18 SAX A#0 - F#5
Voices 13 — 60
Panel Voices (1 — 12)
■Keyboard Percussion
When the [DRUMS] voice selector is pressed (its indicator will light), you can
play 44 different drum and percussion instruments on the keyboard. The percussion
instruments played by the various keys are marked by symbols below the keys
(keys with no symbols produce no sound).
NOTES
•The TRANSPOSE and PITCH functions described on pages 15 and 16 do not
affect the DRUMS sound.
Drum & Percussion Key Assignments
Key Instrument
A1 CYMBAL DAMP
F#2 BRUSH ROLL
G#2 HI-HAT CLOSED HEAVY
A#2 CRASH CYMBAL LIGHT
B2 BASS DRUM LIGHT
C3 SNARE DRUM + RIM HEAVY
C#3 RIDE CYMBAL CUP
D3 SNARE DRUM + RIM LIGHT
F3 BASS DRUM NORMAL
F#3 RIM SHOT
G3 SNARE DRUM HEAVY
G#3 BRUSH SHOT
A3 SNARE DRUM LIGHT
A#3 HI-HAT PEDAL
B3 SNARE DRUM ECHO
C4 TOM 4
C#4 HI-HAT CLOSED NORMAL
Key Instrument
D4 TOM 3
D#4 HI-HAT OPEN
E4 TOM 2
F4 TOM 1
F#4 RIDE CYMBAL NORMAL
G4 ELECTRIC TOM 3
G#4 CRASH CYMBAL NORMAL
A4 ELECTRIC TOM 2
(A#4) (CRASH CYMBAL)
B4 ELECTRIC TOM 1
C5 CONGA LOW
C#5 CABASA
D5 CONGA HIGH
D#5 METRONOME
E5 BONGO HIGH
F5 TIMBALE LOW
Key Instrument
F#5 CLAVES
G5 TIMBALE HIGH
G#5 CASTANETS
A5 CUICA LOW
A#5 COWBELL
B5 CUICA HIGH
C6 HAND CLAP
C#6 AGOGO LOW
D#6 AGOGO HIGH
E6 BONGO LOW
(F6) (CUICA LOW)
F#6 TAMBOURINE
(G6) (CRASH CYMBAL)
G#6 TRIANGLE CLOSED
(A6) (BRUSH ROLL)
A#6 TRIANGLE OPEN
•Cymbals (except G6) can be muted by pressing the A1 key.
•HI-HAT OPEN (D # 4) is muted by HI-HAT CLOSED HEAVY (G # 2),
HI-HAT CLOSED NORMAL (C # 4) and HI-HAT PEDAL (A # 3).
•BRUSH ROLL (F # 2) is muted by BRUSH SHOT (G # 3).
•TRIANGLE OPEN (A # 6) is muted by TRIANGLE CLOSED (G # 6).
•The instruments listed in parentheses ( ) will not sound when
played on the keyboard, but can be recorded using the Perform-
ance Memory (page 31) and will sound on playback. These instru-
ments can also be played via MIDI.
DRUMS

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9
Dual Mode
The DUAL mode makes it possible to play two
voices simultaneously across the entire range of
the keyboard.This makes it easy to create excep-
tionally rich, thick tonal textures.
■Engaging the Dual Mode
■Dual-mode Voice Balance
The volume balance between the two voices combined in the DUAL mode can
be adjusted by using the TEMPO [▲]and [▼]buttons while pressing both of the
active voice selectors. The selected balance value (1 … 15) will be shown on the
TEMPO display while the voice selectors and TEMPO [▲]or [▼] buttons are
held.
■A setting of “1” sets the volume of the lowest-numbered voice to maximum and
the highest-numbered voice to minimum (no sound).
■A setting of “8” sets both voices to the same volume (this is the default balance
setting, and can be recalled by pressing the TEMPO [▲] and [▼] buttons si-
multaneously).
■A setting of “15” sets the volume of the highest-numbered voice to maximum
and the lowest-numbered voice to minimum (no sound).
NOTES
•The TEMPO [ ▲ ] and [ ▼ ] buttons allow two-speed scrolling: press lightly to scroll
through the values slowly, or press firmly to scroll rapidly.
•The dual mode cannot be used when the DRUMS voice is selected. Also, the
dual and split modes cannot be used at the same time.
To engage the DUAL mode simply press two voice selectors at the same time
— or press one voice selector while holding another. A voice in the 13…60 range
can be “dualed” with the panel voices by pressing the [VOICE 13-60] button and
any other voice selector at the same time (two voices in the 13…60 range cannot be
combined). The [s]and [t]buttons can then be used to select the desired 13…60
voice. The higher voice number will appear on the TEMPO display during selec-
tion.
The voice indicators of both selected voices will light when the DUAL mode is
active. To return to the normal single-voice play mode, press any single voice se-
lector.
TAP TEMPO
METRONOME
SONGNUMBER
MAX
MIN
MAX
MIN
MAX
MIN
MIN MAX
VARIATIONNORMAL
INTRO/ENDING
START/STOP
AUTOBASS CHORD
SOLO
STYLEPLAY
SYNCHRO
START
SINGLEFINGERFULLKEYBOARD FINGERED
JAZZ
ROCK
POP DANCE
POP 16BEAT
BALLAD ROCK’N’
ROLL ROCK
SHUFFLE
SWING
BOOGIE
BIGBAND
SAMBA
BOSSA
RHUMBA
CHA-CHA
POLKA
MARCH JAZZ
WALTZ
WALTZ
BLUE-
GRASS
STYLE
POWER
HOUSE 16BEAT
POP 16BEAT
SHUFFLE
SLOW
ROCK COUNTRY
SHUFFLE DISK
STYLE1
DISK
STYLE2
JAZZ
BALLAD
PIANO E.PIANO HARPSI VIBES GUITAR STRINGS SPLIT
ORGAN CHOIR UPRIGHT
BASS ELEC BASS DRUMS VOICE13-60
CLAVINOVA
TONE
VOICE
8
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90
DISKORCHESTRA / PERFORMANCE MEMORY
PHRASE
REPEAT
CHORD
SEQUENCE
REC FORMAT
COPY
PAUSE
FF
REW
START/STOP
SONG
SELECT
RIGHT/1TR LEFT/2TR ORCH/3-10TR RHYTHM
/
DISKCONTROL
GUIDE
COSMIC
HALL2
HALL1
ROOM
SOLOSTYLEPLAY
START/STOP
SOSTENUTO
REVERB
DEMO
SOFT
MIDI/
TRANSPOSE
MASTERVOLUME
RHYTHM CHORD1 CHORD2
BASS
AUTOACCOMPANIMENT
BEAT
FOOTSWITCH
PIANO E.PIANO HARPSI VIBES GUITAR STRINGS
ORGAN CHOIR UPRIGHT
BASS ELEC BASS DRUMS VOICE 13-60
CLAVINOVA
TONE
8
1234567
90
PIANO E.PIANO HARPSI VIB
E
ORGAN CHOIR UPRIGHT
BASS ELEC BASS DR
U
CLAVINOVA
TONE
8
12345
90
8
TEMPO
PIANO E.P
I
ORGAN CHOIR UP
R
BA
S
CLAVINOVA
TONE
8
123
90

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10
The split mode lets you play different voices with
the left and right hands —bass with the left and pi-
ano with the right, for example.You can assign any
of the PDP-400’s voices to the left and right-hand
sections of the keyboard.
Split Mode
■Changing the Split Point
The default split point — F#2 — will always be set automatically whenever the
power is initially turned on.
A-1 A≠1 C 2 C~2
A-1 A#-1 C2 C#2
Example:
The split point can be set at any key by pressing the desired key while holding
the [SPLIT] button. The split point key name will appear on the TEMPO display
while the [SPLIT] button is held.
■Engaging the Split Mode
Left-hand section
Right-hand section
When the [SPLIT] button is pressed and its indicator lights, the keyboard is
split into left- and right-hand sections and different voices can be assigned to each.
The split point is initially set at the F#2 key when the power is turned on, and the
UPRIGHT BASS voice is initially assigned to the left-hand section of the keyboard
(all keys up to and including F#2). The voice that was selected when the SPLIT
mode was engaged is assigned to the right-hand section of the keyboard. The cur-
rent settings are retained if the SPLIT mode is turned off (press the [SPLIT] but-
ton again) and on while the power remains on.
■Changing the SplitVoices
The right-hand voice can be changed simply by pressing the appropriate voice
selector.
The left-hand voice can be changed by pressing a voice selector while holding
the [SPLIT] button.
NOTES
•All voices except BASS (voice numbers 10, 11, 49, 50, 51, and 52) and DRUMS
(voice number 12) are shifted up one octave when assigned to the lower section
of the keyboard (this function can be turned on or off via the “Octave Shift”utility
function described on page 43).
TAP TEMPO
METRONOME
SONGNUMBER
MAX
MIN
MAX
MIN
MAX
MIN
MIN MAX VARIATIONNORMAL
INTRO/ENDING
START/STOP
AUTOBASS CHORD
SOLO
STYLEPLAY
SYNCHRO
START
SINGLEFINGERFULLKEYBOARD FINGERED JAZZ
ROCK
POP DANCE
POP 16BEAT
BALLAD ROCK’N’
ROLL ROCK
SHUFFLE
SWING
BOOGIE
BIGBAND
SAMBA
BOSSA
RHUMBA
CHA-CHA
POLKA
MARCH JAZZ
WALTZ
WALTZ
BLUE-
GRASS
STYLE
POWER
HOUSE 16BEAT
POP 16BEAT
SHUFFLE
SLOW
ROCK COUNTRY
SHUFFLE DISK
STYLE1
DISK
STYLE2
JAZZ
BALLAD
PIANO E.PIANO HARPSI VIBES GUITAR STRINGS SPLIT
ORGAN CHOIR UPRIGHT
BASS ELEC BASS DRUMS VOICE13-60
CLAVINOVA
TONE
VOICE
8
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90
DISKORCHESTRA / PERFORMANCE MEMORY
PHRASE
REPEAT
CHORD
SEQUENCE
REC FORMAT
COPY
PAUSE
FF
REW
START/STOP
SONG
SELECT
RIGHT/1TR LEFT/2TR ORCH/3-10TR RHYTHM
/DISKCONTROL
GUIDE
COSMIC
HALL2
HALL1
ROOM
SOLOSTYLEPLAY
START/STOP
SOSTENUTO
REVERB
DEMO
SOFT
MIDI/
TRANSPOSE
MASTERVOLUME
RHYTHM CHORD1 CHORD2
BASS
AUTOACCOMPANIMENT BEAT
FOOTSWITCH
SPLIT
▼
F#2
C3
SPLIT
E.PIANO HARPSI VI
B
H
OIR UPRIGHT
BASS ELEC
BASS D
R
L
AVINOVA
O
NE
345
0
SPLIT
C3
SPLIT

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11
■Split Balance
Split Mode
The volume balance between the left-hand and right-hand voices can be ad-
justed by using the TEMPO [▲] and [▼] buttons while holding the [SPLIT] but-
ton. The selected balance value (1 … 15) will be shown on the TEMPO display
while the [SPLIT] and TEMPO [s] or [▼] buttons are held.
■A setting of “1” sets the volume of the left voice to maximum and the right
voice to minimum (no sound).
■A setting of “8” sets both voices to the same volume (this is the default balance
setting, and can be recalled by pressing the TEMPO [▲] and [▼] buttons si-
multaneously).
■A setting of “15” sets the volume of the right voice to maximum and the left
voice to minimum (no sound).
NOTES
•The TEMPO [ ▲ ] and [ ▼ ] buttons allow two-speed scrolling: press lightly to scroll
through the values slowly, or press firmly to scroll rapidly.
■Damper Pedal Operation in the Split Mode
The damper pedal (the supplied FC4 foot switch connected to the rear-panel
DAMPER jack — see “The Pedals” on page 14) can be assigned to the left voice
only, the right voice only, or to both voices in the split mode.
■Right Voice Only (default): Press the DAMPER pedal while holding the
[SPLIT] button.
■Left Voice Only: Press the FOOT SWITCH pedal (an optional FC4 or FC5
foot switch connected to the rear-panel FOOT SWITCH jack) while holding
the [SPLIT] button.
■Both Voices: Press both the DAMPER and FOOT SWITCH pedals while
holding the [SPLIT] button.
NOTES
•The dual and split modes cannot be used at the same time.
•In the split the soft and sostenuto pedal functions apply to both the left- and right-
hand voices.
•When the ABC Single Finger mode (page 20) and the split mode are used simul-
taneously, the left-hand voice will be accompanied by the appropriate ABC chord
voices.
FOOT SWITCH
DAMPER
8
TEMPO
SPLIT
SPLIT

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12 Digital Reverb Effects
The [REVERB] button provides a number of
digital effects that you can use for extra depth and
expressive power.
■Selecting a Reverb Effect
Each time the [REVERB] button is pressed the next effect on the reverb “list”
is selected and the corresponding indicator will light. No effect is selected when no
indicator is lit.
OFF (No indicator lit)
No effect is produced.
ROOM
This setting adds a reverb effect to the sound that is similar to the type of acoustic
reverberation you would hear in a medium-size room.
HALL 1
For a more spacious reverb sound, use the HALL 1 setting. This effect simulates
the natural reverberation of a medium-size concert hall.
HALL 2
HALL 2 simulates the reverb of a very large concert hall.
COSMIC
“COSMIC” is an echo effect in which the sound seems to “bounce” around in the
stereo sound field.
NOTES
•The ROOM effect is automatically selected when the POWER switch is turned
on.
■Reverb Depth Control The depth of the selected reverb effect can be increased or decreased by press-
ing the TEMPO [▲]or [▼]button while holding the [REVERB] button. The re-
verb depth is shown on the TEMPO display while the [REVERB] and [▲]or [▼]
buttons are held. The reverb depth range is from “0” (no effect) to “15” (maxi-
mum depth).
NOTES
•Reverb depth is initially set to “8”when the power is turned on (this setting can be
recalled during reverb depth selection by pressing the TEMPO [ ▲ ] and [ ▼ ] but-
tons simultaneously).
•The TEMPO [ ▲ ] and [ ▼ ] buttons allow two-speed scrolling: press lightly to scroll
through the values slowly, or press firmly to scroll rapidly.
TAP TEMPO
METRONOME
SONGNUMBER
MAX
MIN
MAX
MIN
MAX
MIN
MIN MAX
VARIATIONNORMAL
INTRO/ENDING
START/STOP
AUTOBASS CHORD
SOLO
STYLEPLAY
SYNCHRO
START
SINGLEFINGERFULLKEYBOARD FINGERED
JAZZ
ROCK
POP DANCE
POP 16BEAT
BALLAD ROCK’N’
ROLL ROCK
SHUFFLE
SWING
BOOGIE
BIGBAND
SAMBA
BOSSA
RHUMBA
CHA-CHA
POLKA
MARCH JAZZ
WALTZ
WALTZ
BLUE-
GRASS
STYLE
POWER
HOUSE 16BEAT
POP 16BEAT
SHUFFLE
SLOW
ROCK COUNTRY
SHUFFLE DISK
STYLE1
DISK
STYLE2
JAZZ
BALLAD
PIANO E.PIANO HARPSI VIBES GUITAR STRINGS SPLIT
ORGAN CHOIR UPRIGHT
BASS ELEC BASS DRUMS VOICE13-60
CLAVINOVA
TONE
VOICE
8
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DISKORCHESTRA / PERFORMANCE MEMORY
PHRASE
REPEAT
CHORD
SEQUENCE
REC FORMAT
COPY
PAUSE
FF
REW
START/STOP
SONG
SELECT
RIGHT/1TR LEFT/2TR ORCH/3-10TR RHYTHM
/
DISKCONTROL
GUIDE
COSMIC
HALL2
HALL1
ROOM
SOLOSTYLEPLAY
START/STOP
SOSTENUTO
REVERB
DEMO
SOFT
MIDI/
TRANSPOSE
MASTERVOLUME
RHYTHM CHORD1 CHORD2
BASS
AUTOACCOMPANIMENT
BEAT
FOOTSWITCH
COSMIC
HALL 2
HALL 1
ROOM
REVERB
COSMIC
HALL 2
HALL 1
ROOM
REVERB
COSMIC
HALL 2
HALL 1
ROOM
REVERB
8
TEMPO

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13
The PDP-400 has “32-note polyphony”which
means you can normally play up to 32 notes at once.
This number varies, however, according to the func-
tions being used.
The Keyboard & Polyphony
Keyboard only 32 notes.
Keyboard only (dual) 16 notes.
Keyboard + rhythm 24 notes (rhythm uses 8).
Keyboard (dual) + rhythm 12 notes
Keyboard + ABC 12 notes (rhythm 8; ABC 12).
Keyboard (dual) + ABC 6 notes
●The number of available notes is further reduced if the performance memory or a
Disk Orchestra Collection disk is being played at the same time. Further variation
occurs with “1-layer” and “2-layer” voices. The polyphony is halved with 2-layer
voices: voices 56 (JAZZ ORGAN 2), 58 (COSMIC 1), and 60 (COSMIC 3).
The PDP-400 also offers keyboard touch response, so the volume and timbre of
notes played can be controlled according to how “hard” you play the keys. The
amount of variation available depends on the selected voice.
Pitch Wheel
Modulation Wheel
The MODULATION wheel can be used to apply “modulation” in the form of a
vibrato effect to notes played on the keyboard. More modulation is applied as the
wheel is rolled upward. Unlike the self-centering PITCH wheel, the MODULATION
wheel will stay where it is set so you can set any degree of modulation you like and
leave it that way. Please note, however, that when you select a different voice the “nor-
mal” modulation level for that voice will initially be recalled regardless of the position
of the MODULATION wheel. The MODULATION wheel will affect both voices in
the Dual and Split modes. Modulation data is also transmitted via the MIDI OUT con-
nector along with the note data.
The PITCH wheel can be used to “bend” the pitch of notes up or down while play-
ing. The PITCH wheel is self-centering, and will automatically return to center posi-
tion — i.e. normal pitch — when released. The PITCH wheel will affect both voices
in the Dual and Split modes. Pitch-bend data is also transmitted via the MIDI OUT
connector along with the note data. The range of the PITCH wheel is plus or minus
one whole tone.
DOWN
UP
PITCH
0
MAX
MIN
MODULATION

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14
The PDP-400 allows connection of two pedals which
offer a range of advanced expressive capabilities.
The Pedals
●Solo Styleplay .........................................................................................................................................
For details on the SOLO STYLEPLAY function see “SOLO STYLEPLAY” on
page 25 (the SOLO STYLEPLAY pedal function can only be selected when the
SOLO STYLEPLAY feature is in use).
NOTES
•The damper, soft, and sostenuto pedal functions do not affect the DRUMS voice.
FOOT SWITCH
DAMPER
TAP TEMPO
METRONOME
SONGNUMBER
MAX
MIN
MAX
MIN
MAX
MIN
MIN MAX VARIATIONNORMAL
INTRO/ENDING
START/STOP
AUTOBASS CHORD
SOLO
STYLEPLAY
SYNCHRO
START
SINGLEFINGERFULLKEYBOARD FINGERED JAZZ
ROCK
POP DANCE
POP 16BEAT
BALLAD ROCK’N’
ROLL ROCK
SHUFFLE
SWING
BOOGIE
BIGBAND
SAMBA
BOSSA
RHUMBA
CHA-CHA
POLKA
MARCH JAZZ
WALTZ
WALTZ
BLUE-
GRASS
STYLE
POWER
HOUSE 16BEAT
POP 16BEAT
SHUFFLE
SLOW
ROCK COUNTRY
SHUFFLE DISK
STYLE1
DISK
STYLE2
JAZZ
BALLAD
PIANO E.PIANO HARPSI VIBES GUITAR STRINGS SPLIT
ORGAN CHOIR UPRIGHT
BASS ELEC BASS DRUMS VOICE13-60
CLAVINOVA
TONE
VOICE
8
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DISKORCHESTRA / PERFORMANCE MEMORY
PHRASE
REPEAT
CHORD
SEQUENCE
REC FORMAT
COPY
PAUSE
FF
REW
START/STOP
SONG
SELECT
RIGHT/1TR LEFT/2TR ORCH/3-10TR RHYTHM
/DISKCONTROL
GUIDE
COSMIC
HALL2
HALL1
ROOM
SOLOSTYLEPLAY
START/STOP
SOSTENUTO
REVERB
DEMO
SOFT
MIDI/
TRANSPOSE
MASTERVOLUME
RHYTHM CHORD1 CHORD2
BASS
AUTOACCOMPANIMENT BEAT
FOOTSWITCH
SOLO STYLEPLAY
START/STOP
SOSTENUTO
SOFT
FOOT SWITCH
Pressing the soft pedal subtly reduces the volume and slightly changes the tim-
bre of notes played. The SOFT function is automatically selected whenever the
POWER switch is turned on.
●Sostenuto ................................................................................................................................................
If you play a note or chord on the keyboard and press the sostenuto pedal while
the note(s) are held, those notes will be sustained as long as the pedal is held (as if
the damper pedal had been pressed) but all subsequently played notes will not be
sustained. This makes it possible to sustain a chord, for example, while other notes
are played “staccato.”
The SOSTENUTO function cannot be selected while the SOLO STYLEPLAY
feature is operating.
●Soft...........................................................................................................................................................
●Start/Stop ................................................................................................................................................
The foot switch performs the same function as the panel [START/STOP] but-
tons. For details on the START/STOP function, refer to the “Accompaniment”
section on page 18, 19.
■Foot Switch (Multi-function)
An optional FC4 or FC5 foot switch connected to the rear-panel FOOT
SWITCH jack provides a number of functions which can be selected using the
[FOOT SWITCH] button and indicators. Each time the [FOOT SWITCH] button
is pressed the next function on the function “list” is selected and the corresponding
indicator will light.
■Damper Pedal The supplied FC4 foot switch functions as a damper pedal when connected to
the rear-panel DAMPER jack. The damper pedal functions in the same way as a
damper pedal on an acoustic piano. When the damper pedal is pressed notes played
have a long sustain. Releasing the pedal immediately stops (damps) any sustained
notes.
SOLO STYLEPLAY
START/STOP
SOSTENUTO
SOFT
FOOT SWITCH

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15
Pan
Transposition
The PDP-400’s TRANSPOSE function makes it
possible to shift the pitch of the entire keyboard up or
down in semitone intervals up to a maximum of six
semitones.“Transposing”the pitch of the PDP-400
keyboard makes it easier to play in difficult key signa-
tures, and you can simply match the pitch of the key-
board to the range of a singer or other instrumentalist.
Each voice has a preset pan setting (indicated by “Pd”
on the TEMPO display) which is automatically set when
the power is first turned on.
NOTES
•The “ Pd ”keyboard scale pan default for some voices places the
treble-register sound to the right and the bass-register sound to the
left. Using a different PAN setting places the entire voice, low and high
notes included, at the same position.
•The DRUMS voice has a preset PAN setting which cannot be changed.
●The pan (stereo) position of the voice played on the key-
board can be adjusted by moving the RHYTHM volume
control while holding the [MIDI/TRANSPOSE] button.
The pan position is shown on the TEMPO display, from
“PL6” for full left at the “MIN” control position, through
“PC” for center, to “Pr6” for full right at the “MAX”
control position. This can be used to produce a broader
ensemble sound with the Performance Memory multitrack
recording feature.
The pan settings are as follows:
Full
Left Full
Right
Center
PL6 PL5 PL4 PL3 PL2 PL1 P C Pr1 Pr2 Pr3 Pr4 Pr5 Pr6 (P d)
Display Transposition Display Transposition
-6 -6 semitones 0Normal
-5 -5 semitones 1+1 semitone
-4 -4 semitones 2+2 semitones
-3 -3 semitones 3+3 semitones
-2 -2 semitones 4+4 semitones
-1 -1 semitone 5+5 semitones
0Normal 6+6 semitones
NOTES
•Press the [ ▲ ] and [ ▼ ] buttons simultaneously while holding the [MIDI/
TRANSPOSE] button to restore normal keyboard pitch.
•Transpose is always set to Normal when the power is turned on.
•The TRANSPOSE function does not affect the DRUMS sound.
•The TEMPO [ ▲ ] and [ ▼ ] buttons allow two-speed scrolling: press
lightly to scroll through the values slowly, or press firmly to scroll rap-
idly.
•Notes below and above the original 88-key range of the PDP-400
sound one octave higher and lower, respectively.
●Use the TEMPO [▲]and [▼]buttons to select the desired
degree of transposition while holding the [MIDI/TRANS-
POSE] button.
The amount of transposition selected is shown on the
TEMPO display as follows:
TAP TEMPO
METRONOME
SONGNUMBER
MAX
MIN
MAX
MIN
MAX
MIN
MIN MAX
VARIATIONNORMAL
INTRO/ENDING
START/STOP
AUTOBASS CHORD
SOLO
STYLEPLAY
SYNCHRO
START
SINGLEFINGERFULL KEYBOARD FINGERED
JAZZ
ROCK
POP DANCE
POP 16BEAT
BALLAD ROCK’N’ ROLL ROCK
SHUFFLE
SWING
BOOGIE
BIGBAND
SAMBA
BOSSA
RHUMBA
CHA-CHA
POLKA
MARCH JAZZ
WALTZ
WALTZ
BLUE-
GRASS
STYLE
POWER
HOUSE 16BEAT
POP 16BEAT
SHUFFLE
SLOW
ROCK COUNTRY
SHUFFLE DISK
STYLE1
DISK
STYLE2
JAZZ
BALLAD
PIANO E.PIANO HARPSI VIBES GUITAR STRINGS SPLIT
ORGAN CHOIR UPRIGHT
BASS ELEC BASS DRUMS VOICE13-60
CLAVINOVA
TONE
VOICE
8
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90
DISKORCHESTRA / PERFORMANCE MEMORY
PHRASE
REPEAT
CHORD
SEQUENCE
REC FORMAT
COPY
PAUSE
FF
REW
START/STOP
SONG
SELECT
RIGHT/1TR LEFT/2TR ORCH/3-10TR RHYTHM
/
DISKCONTROL
GUIDE
COSMIC
HALL2
HALL1
ROOM
SOLOSTYLEPLAY
START/STOP
SOSTENUTO
REVERB
DEMO
SOFT
MIDI/
TRANSPOSE
MASTERVOLUME
RHYTHM CHORD1 CHORD2
BASS
AUTOACCOMPANIMENT
BEAT
FOOTSWITCH
MIDI/
TRANSPOSE
TAP TEMPO
METRONOME
SONGNUMBER
MAX
MIN
MAX
MIN
MAX
MIN
MIN MAX
VARIATIONNORMAL
INTRO/ENDING
START/STOP
AUTOBASS CHORD
SOLO
STYLEPLAY
SYNCHRO
START
SINGLEFINGERFULL KEYBOARD FINGERED
JAZZ
ROCK
POP DANCE
POP 16BEAT
BALLAD ROCK’N’
ROLL ROCK
SHUFFLE
SWING
BOOGIE
BIGBAND
SAMBA
BOSSA
RHUMBA
CHA-CHA
POLKA
MARCH JAZZ
WALTZ
WALTZ
BLUE-
GRASS
STYLE
POWER
HOUSE 16BEAT
POP 16BEAT
SHUFFLE
SLOW
ROCK COUNTRY
SHUFFLE DISK
STYLE1
DISK
STYLE2
JAZZ
BALLAD
PIANO E.PIANO HARPSI VIBES GUITAR STRINGS SPLIT
ORGAN CHOIR UPRIGHT
BASS ELEC BASS DRUMS VOICE13-60
CLAVINOVA
TONE
VOICE
8
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90
DISKORCHESTRA / PERFORMANCE MEMORY
PHRASE
REPEAT
CHORD
SEQUENCE
REC FORMAT
COPY
PAUSE
FF
REW
START/STOP
SONG
SELECT
RIGHT/1TR LEFT/2TR ORCH/3-10TR RHYTHM
/
DISKCONTROL
GUIDE
COSMIC
HALL2
HALL1
ROOM
SOLOSTYLEPLAY
START/STOP
SOSTENUTO
REVERB
DEMO
SOFT
MIDI/
TRANSPOSE
MASTERVOLUME
RHYTHM CHORD1 CHORD2
BASS
AUTOACCOMPANIMENT
BEAT
FOOTSWITCH
MIDI/
TRANSPOSE
MIDI/
TRANSPOSE
MAX
MIN
RHYTHM
MIDI/
TRANSPOSE
-2
TEMPO

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16
Pitch control makes it possible to tune the PDP-400 over a ±50-cent range (approximate) in
approximately 1.2-cent or 1-hertz intervals. A hundred “cents”equals one semitone, so the tuning
range provided allows fine tuning of overall pitch over a range of approximately a semitone. Pitch
control is useful for tuning the PDP-400 to match other instruments or recorded music.
Pitch Control
●Tuning Up................................................................................................................................................
ZTo tune up (raise pitch), hold the A-1 and B-1 keys simultaneously (A-1 and B-
1 are the two lowest white keys on the keyboard) and press any key between C3
and B3. Each time a key in this range is pressed the pitch is raised by approxi-
mately 1.2 cents, up to a maximum of about 50 cents above standard pitch. To
raise the pitch in 1-hertz increments press the TEMPO [▲]button instead of
the C3-B3 keys. The TEMPO [▼] button can also be used to tune down while
the A-1 and B-1 keys are held.
XRelease the A-1 and B-1 keys.
C
3
B
3
A
-1
B
-1
TEMPO
●To Restore Standard Pitch* ...................................................................................................................
ZTo restore standard pitch (A3 = 440 Hz), hold the A-1, A#-1, and B-1 keys si-
multaneously and press any key between C3 and B3, or simultaneously press
the TEMPO [▲]and [▼]buttons.
XRelease the A-1, A#-1, and B-1 keys.
* Standard pitch (A3 = 440 Hz) is automatically set whenever the POWER
switch is initially turned on.
NOTES
•The PITCH function does not affect the DRUMS sound.
•The TEMPO [ ▲ ] and [ ▼ ] buttons allow two-speed scrolling: press lightly to scroll
through the values slowly, or press firmly to scroll rapidly.
A
-1
B
-1
A#
-1
C
3
B
3
TEMPO
■The Pitch Display
Example: The approximate pitch of A3 is shown on the TEMPO display in Hertz while
the pitch control function is in operation. The total display range is from
approximately 427 hertz (-50 cents) to 453 hertz (+50 cents).
The dots to the right of each figure in the display are used to provide a general
idea of fractional pitches.
442 442.0......442.24
4.42 442.25....442.49
44.2 442.5......442.74
442. 442.75....442.99
●Tuning Down...........................................................................................................................................
ZTo tune down (lower pitch), hold the A-1 and A#-1 keys simultaneously and
press any key between C3 and B3. Each time a key in this range is pressed the
pitch is lowered by approximately 1.2 cents, up to a maximum of about 50 cents
below standard pitch. To lower the pitch in 1-hertz increments press the
TEMPO [▼]button instead of the C3-B3 keys. The TEMPO [▲]button can
also be used to tune up while the A-1 and A#-1 keys are held.
XRelease the A-1 and A#-1 keys.
A-1
A#-1 C3B3
TEMPO