Part I

MIDI Message Overview

1Product Configuration as a MIDI Device

As a MIDI device, this Instrument consists of the System Section, Performance Controller Section, and Sound Generator Section described below. Each of these sections can send and receive specific MIDI Messages in accordance with its function.

1.1System Section

The System Section manages the Instrument status and user data. A communication method known as a ”bulk dump” can be used for two-way transfer of user data between the Instrument and a computer.

1.2Performance Controller Section

The Performance Controller Section performs keyboard play and controller operations, and generates performance messages in accordance with auto play, etc. Basically, generated performance messages are sent to external destinations while also being transmitted to the Sound Generator Section. The channel number of the sent channel message is in accordance with the Instrument’s instrument part number.

MIDI Output Performance Information The following describes the performance information that is output and is not output as MIDI signals.

•Output performance

–Keyboard play and controller operations by the musician

–Auto accompaniment

–Recorded song playback

•Non-output performance

–Demo Songs

–Song playback

–Lesson function

–Music Challenge

1.3Sound Generator Section

The Sound Generator Section mainly performs receive of performance information and sound source setting information. It consists of a common part that does not depend on the channel and a musical instrument part that is independent of each channel.

1.3.1Sound Generator Common Block

The common block consists of system effects, mixer master control, etc. These can be controlled by general universal system exclusive messages, and the Instrument’s system exclusive messages.

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