20
The PDP-400 includes a sophisticated auto-
accompaniment system (Auto Bass Chord —
ABC) that can provide automated rhythm, bass
and chord backing in a number of ways.
Auto Bass Chord (ABC)CSet the Tempo.........................................................................................................................................
Use the TEMPO [▲] and [▼] buttons to set the desired accompaniment tempoif necessary (see “Tempo Control” on page 17).■Single-finger Accompaniment
SINGLE FINGER accompaniment makes it simple to produce accompaniment using major, seventh, minor and minor-seventh chords by pressing a minimum number of keys in the ABC section of the keyboard. The automatic accompanimentconsists of rhythm, bass and chords.ZSelect SINGLE FINGER..........................................................................................................................
XSelect a Style ..........................................................................................................................................
Select the desired accompaniment using the style selectors (see “Style Selec-tion” on page 17).Press the [SINGLE FINGER] button to select the SINGLE FINGER mode(the SINGLE FINGER indicator will light).VPlay ..........................................................................................................................................................
Pressing any key on the ABC section of the keyboard (up to the split point —normally the F#2 key) will cause the automatic chord and bass accompaniment tobegin (synchro start is automatically selected in the ABC mode). If you press a “C”key, for example, a C-major accompaniment will be played. Press another key inthe ABC section of the keyboard to select a new chord. The key you press willalways determine the “root” of the chord played (i.e. “C” for a C chord) .NOTES
•Automatic synchro start switching can be enabled or disabled via the utility 1mode “Auto Synchro Start Switching” function, described on page 43.●Playing Minor, Seventh, and Minor-seventh Chords in the Single-finger Mode• For a minor chord, press the root key and a black key to its left.• For a seventh chord, press the root key and a white key to its left.• For a minor-seventh chord, press the root key and both a white and black keyto its left.CmC7
Cm7
CBStop the Accompaniment ......................................................................................................................
Press the [START/STOP] or [INTRO/ENDING] button to stop the accompani-ment.NOTES
•Press the [SINGLE FINGER] button so that its indicator goes out when you wantto exit from the SINGLE FINGER mode.TAP TEMPO
METRONOME
SONG NUMBER
MAX
MIN
MAX
MIN
MAX
MIN
MIN MAX VARIATION NORMAL
INTRO/ENDING
START/STOP
AUTO BASS CHORDSOLO
STYLEPLAY
SYNCHRO
START
SINGLE FINGERFULL KEYBOARD FINGERED
JAZZ
ROCK
POP DANCE
POP 16BEAT
BALLADROCK’N’
ROLL
ROCK
SHUFFLE
SWING
BOOGIE
BIG BAND
SAMBA
BOSSA
RHUMBA
CHA-CHA
POLKA
MARCH
JAZZ
WALTZ
WALTZ
BLUE-
GRASS
STYLEPOWER
HOUSE16BEAT
POP 16BEAT
SHUFFLE
SLOW
ROCK
COUNTRY
SHUFFLEDISK
STYLE 1
DISK
STYLE 2
JAZZ
BALLAD
PIANO E.PIANOHARPSIVIBES GUITAR STRINGS SPLIT
ORGANCHOIR UPRIGHT
BASSELEC
BASS DRUMSVOICE 13-60
CLAVINOVA
TONE
VOICE
8
1234567
90
DISK ORCHESTRA / PERFORMANCE MEMORY
PHRASE
REPEAT
CHORD
SEQUENCE
REC FORMAT
COPY
PAUSE
F F
REW
START/STOP
SONG
SELECT
RIGHT/1TRLEFT/2TR ORCH/3-10TR RHYTHM
/
DISK CONTROL
GUIDE
COSMIC
HALL 2
HALL 1
ROOM
SOLO STYLEPLAY
START/STOP
SOSTENUTO
REVERB
DEMO
SOFT
MIDI/
TRANSPOSE
MASTER VOLUME
RHYTHM CHORD 1CHORD 2
BASS
AUTO ACCOMPANIMENT
BEAT
FOOT SWITCH
SINGLE FINGERFULL KEYBOARDAUTO BASS CHORDFINGEREDSINGLE FINGERINTRO/ENDINGSTART/STOP