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Chapter 3: MIDI Functions
DG8 REFERENCE MANUAL 57
CHANNEL MESSAGES: MODE MESSAGES
There are four types of messages that determine the MIDI Mode of the instrument.
The “mode” of a device refers to how it will respond to incoming MIDI data. The
MIDI Specification outlines four possible modes and the DG8 implements a modified
version of one of these four modes called “Mode 3: Omni Off/Poly”.
Mode 3 describes how polyphonic instruments in general receive notes on one
Channel only. But as we discovered on page 55, the DG8 uses multiple MIDI
Channels when communicating with other devices. Three successive MIDI Channels
are designated to communicate data: Primary Sounds and Layers transmit and
receive on the Basic Channel except Program Change commands for Layers, which
happen on the next higher Channel (Basic Channel +1); Splits transmit and receive on
the next higher Channel (Basic Channel + 2). For an in-depth look at how this is
implemented on the DG8, see page 58.
Portions of this Chapter are abridged versions of material from Power Sequencing with Master Tracks Pro/Pro
4 and The Complete Guide to the Alesis HR-16 and MMT-8, copyright 1990 and 1989 respectively by AMSCO
Publications, and are adapted with permission.