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PART II

BASIC FEATURES

WHAT YOUR PortaSound CAN DO

Using the QUICK GUIDE and listening to the DEMONSTRATION

song has already given you a first im-

pression of your new PortaSound's capabilities. This chapter tells you more about them.

Voices, Rhythm and Auto Accompaniment

To better understand the PortaSound's functional structure,

think of it as comprising the following three sections:

Auto Accompaniment Section

"3 Voice/Melody Section

ШЕШ Rhythm Section

As the names say, the Voice/Melody Section controls all

features concerning the voices you play, usually in the form

of a melody, while the Auto Accompaniment Section helps

you perform the accompaniment

to these melodies.

The

Rhythm Section can be used separately like a drum machine,

or in combination with Auto Accompaniment.

® This is not a strict division. These sections are closely

interconnected — for instance, RHYTHM

CONTROL

influences both the Rhythm and the Auto Accompaniment

Sections, and the SONG

MEMORY

MELODY

banks

are just as much part of Voice/Melody as they are of Auto

Accompaniment. Keeping this division in mind, though,

makes it easier to understand the PortaSound features.

Voice/Melody Section

In the tradition of Yamaha's famous DX7 synthesizers, the

preset

instrument

sounds

available

the

PortaSound

PSS-580 are referred to as "voices". With the Digital Syn-

thesizer functions explained in PART III (p.25), you can alter

them to create your own original sounds, then save up to five

of these for instant access at the push of a button.

For more expressiveness and realism, you can add various

EFFECTS (p.9) to the voices. PORTAMENTO, for instance,

can greatly enhance strings, brass or bass sounds.

Easy Play Functions

If the melody you want to play is in a difficult key, you can

TRANSPOSE

the entire keyboard (p.10) to an easier one.

Melodies (or parts of them) you find particularly hard to

perform can be memorized in the MELODY

banks of the

SONG

MEMORY

(p.21). For example, if a phrase is too

fast for you, record it at a comfortable slow tempo and then

play it back any time at the correct speed by simply pressing

the corresponding MELODY

button.

Rhythm and Auto Accompaniment Sections

Since these sections are so closely interrelated, many of their

functions are treated together in this manual.

The Rhythm and Auto Accompaniment features can enhance

your

performances

in four basic ways:

The

PortaSound

PSS-580 is capable of:

1. playing a rhythm accompaniment to your music with re-

alistic percussion sound patterns in a hundred different

musical styles, functioning like a high-quality drum ma-

chine. Many variations of these basic patterns are possible

with RHYTHM

CONTROL.

2. letting you play complete chords by using only a single

finger of your left hand (SINGLE FINGER chords).

3. performing an entire accompaniment arrangement, com-

plete with drums, bass, chords and orchestra, easily con-

trolled by your left hand. Again, RHYTHM

CONTROL

can be used to add a great number of variations. You can

even change the ORCHESTRATION, deleting or adding

parts to the accompaniment at the touch of a button.