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Chapter 9 Connecting and Using External MIDI Devices (MIDI Mode)
Using An External MIDI
Device to Play the DR-670/
Using the DR-670 to Play An
External MIDI Device
You can use performance data transmitted from
an external MIDI device to play the DR-670, or
operate the DR-670 to control performances of
external MIDI devices.
fig.09-08a
MIDI Channels
In order to exchange performance data between
an external MIDI device and the DR-670, the
MIDI channel settings must be the same for both
devices. Performance data can be exchanged
successfully only when the MIDI channels match.
Performance Data Handled by
the DR-670
Note Messages
These are messages that convey the performance
status of drum parts and bass parts. These are
equivalent to the performance data for keys on a
keyboard. The different kinds of Note messages
are shown below.
Note Number: Key pad number to which an
instrument or bass tone is assigned
Note On: Key pad is tapped
Note Off: Key pad is released
Velocity: Force used to tap the key pad
◆ This correspondence of the DR-670’s key
pads to Note Number as shown below.
fig.09-08b
When you tap one of the DR-670’s key pads, the
Note Number for that key pad is transmitted.
When a Note Number is received from an
external MIDI device, the instrument or bass
tone assigned to the key pad corresponding to
that Note Number is played.
* Note Numbers that do not correspond to any of
the key pads are disregarded if received.
Program Change
This message switches the drum kit.
* Program Change messages are not output in
Song Edit mode.
* For more information on the messages that can be
handled by the devices you are connecting, refer
to the owner’s manual for each device.
■ Setting the MIDI Channel
In order to have the performance data be
transmitted and received correctly, the
transmitting and receiving devices must be set to
the same channel.
Settings Values: 1–16, OFF
fig.09-09
When set to “OFF,” Note and Program Change
messages are not transmitted or received.
* Program Change messages are transmitted and
received on the drum part MIDI channel.
MIDI Sound Module
Pad Controller
DR-670
MIDI IN MIDI OUT
MIDI IN
MIDI OUT