Roland ep-90/70 User Manual

Connecting to MIDI Devices

Program Changes are messages that tell an instrument to 

“switch to sound number x.”

When the other device receives this message, it will switch to 

whichever of its sounds corresponds to the number 

contained in the message.

When you press the ep-90/70’s Tone button to change tones, 

a Program Change message with the corresponding Program 

Number is sent via the MIDI Out connector. Furthermore, a 

Program Change message received via the MIDI In connector 

changes the tone to the one with the corresponding Program 

Number.

Each time the power is turned on, the instrument will always 

be set to “On” (it will transmit/receive Program Change 

messages).

If you set it to “Off,” the ep-90/70 will no longer send out 

Program Change message when you change the tone being 

used. Also, the ep-90/70 will then ignore any Program 

Change messages when that are sent to it by an external unit, 

and will not change the tone it is playing.

→ For the notes that correspond to each setting, refer to 

fig.9-11.e

The tones and their corresponding Program Number appear 

below:

Piano 1

Piano 2

E.Piano

Vibraphone

Harpsichord

Organ

Strings

Choir

Piano 1 + Piano 2

Piano 1 + E.Piano

Piano 1 + Vibraphone

Piano 1 + Harpsichord

Piano 1 + Organ

Piano 1 + Strings

Piano 1 + Choir

Piano 2 + E.Piano

Piano 2 + Vibraphone

Piano 2 + Harpsichord

Piano 2 + Organ

Piano 2 + Strings

Piano 2 + Choir

E.Piano + Vibraphone

E.Piano + Harpsichord

E.Piano + Organ

E.Piano + Strings

E.Piano + Choir

Vibraphone + Harpsichord

Vibraphone + Organ

Vibraphone + Strings

Vibraphone + Choir

Harpsichord + Organ

Harpsichord + Strings

Harpsichord + Choir

Organ + Strings

Organ + Choir

Strings + Choir

E.Piano

Piano 2

Piano 1

Vibra-

phone

Harpsi-

chord

While holding down three buttons

Press

On Off