Yamaha PSR140 Owner's Manual download pdf (Page 41)

Selecting and Playing Styles — The Style Mode

MIDI

The PortaTone also features MIDI terminals, allowing you to interface the

PortaTone with other MIDI instruments and devices.

About MIDI

MIDI (Musical Instrument Digital Interface) is a

worldwide standard that is built into many

electronic musical instruments and other digital

music related devices, allowing them to be

connected and “communicate” with each other.

For two MIDI instruments to communicate, they

must be connected by MIDI cables. In a basic

example, the MIDI IN and MIDI OUT terminals

of the PortaTone could be connected to the

MIDI OUT and MIDI IN terminals of a se-

quencer, allowing you to record and play back

performance data from the PortaTone.

The instruments communicate with each other

by sending “messages” or MIDI data. The

sending instrument usually assigns the data to

one of sixteen MIDI channels, then transmits it

over the MIDI cable. The cable itself, however,

is not divided up into sixteen channels. Just as

with a television set that receives programs on

different channels, it is up to the receiving

instrument to “tune into” the proper MIDI

channel. If the sending and receiving channels

on the respective instruments do not match, the

receiving instrument may not understand or

respond to the one sending.

How Can MIDI be Used?

In the simple, yet powerful MIDI application

example below, the Yamaha QY-70 Music

Sequencer is used to record and play back

performance data played on the PortaTone

keyboard.

Before actually recording to the sequencer,

press the ACMP button once or twice to

make sure that the current settings are sent.

NOTE:

• On the PortaTone, the following channels (eight total) are

enabled for MIDI reception: 1, 2, 3, 4, 5, 6, 7, 10. The MIDI

transmit channels are fixed to the following data:

Ch. 1 : Keyboard, harmony

Ch. 2 : Bass

Ch. 3 : Chord

Ch. 4 - 7 : Other

Ch. 10 : Rhythm

• Parts that have been recorded using the PortaTone should

also be played back from the PortaTone. Data may not play

back as expected when using other sound sources (such as the

internal sounds of the QY-70). Also, a connected sound

source may sound at a different octave from that originally

played on the PortaTone.

• MIDI data cannot be transmitted during song playback.

• Avoid using MIDI cables 15 meters or longer, since doing so

can result in MIDI errors.

TEMPO

METRONOME

SONG VOL

ACMP VOL

TUNING

TRANSPOSE

MULTI PAD

TEMPO

SMART

DICTIONARY

OFF

ACMP

ON/OFF

rit

INTRO/

ENDING

START/

STOP

SYNC-

START

MAIN A

MAIN B

OTS

001

GrandPno

116

mM7

7 5

m7 5

7sus4

m6 AB

(

)

CD D

F FG

G GA

M m

aug

dim

sus4

Connect the MIDI

OUT of the

PortaTone to the

MIDI IN of the QY-

70.

Connect the MIDI

IN of the PortaTone

to the MIDI OUT of

the QY-70.

Receives MIDI data

from the connected

sending device.

Transmits MIDI data

(keyboard perfor-

mance) to the con-

nected device.

IN OUT

MIDI

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 51 52

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Yamaha PSR140 Owner's Manual Page 41

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