Functions Of The Keyboard - Yamaha Portatone PSR-640 Owner's Manual

Split Point
The point on the keyboard that separates voice L and voice R1/R2 is called the "split
point".
The split point is set to F#2/G2 at the factory setting, however you can set this to any
key you wish. Refer to page 135 for instructions on setting the split point.
Voice L

Functions of the Keyboard

As explained above, the keyboard of the PSR-740/640 can sound three different voices. Here's a short summary of
the various ways of playing voices.
Playing a Single Voice
Playing Two Voices
Playing Separate Voices
with the Right and Left
Hands
In addition, the keyboard of the PSR-740/640 has other important functions besides playing voices (as shown below).
Auto Accompaniment Section
When the auto accompaniment is set to on (page 35), the key range of voice L becomes the range for playing/
indicating chords.
Auto Accompaniment
section
Naming
The keyboard can also be used to name song files on a floppy disk, User Styles,
User Pad banks and Registration Memory banks (page 21).
Each key has a note name; for example, the lowest (farthest left) key on the keyboard corresponds to C1 and the
highest (farthest right) key to C6.
C#1 D#1 F#1 G#1 A#1
C1 D1 E1 F1 G1 A1 B1
C1 - B1
Split Point (F#2/G2)
Voice R1/R2
Voice R1 + R2
Voice L
Voice L
Split Point
Voice R1/R2
C2 - B2 C3 - B3
Voice R1
Voice R1
Voice R1 + R2
ACMP ON/OFF FINGERING
C4 - B4 C5 - B5 C6
Playing Voices
• Each key has a note name;
for example, the lowest
(farthest left) key on the
keyboard corresponds to C1
and the highest (farthest
right) key to C6 (See below
for details).
VOICE L VOICE R1 VOICE R2
PART
ON/OFF
VOICE L VOICE R1 VOICE R2
PART
ON/OFF
VOICE L VOICE R1 VOICE R2
PART
ON/OFF
VOICE L VOICE R1 VOICE R2
PART
ON/OFF
GROOVE ON/OFF
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