Boss Audio Systems DR-670 - Manual (Page 86)

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Chapter 9 Connecting and Using External MIDI Devices (MIDI Mode)
About MIDI Mode
With the DR-670, you can use MIDI data to do
the following.
● Synchronize performances with a digital
recorder or MIDI sequencer
● Use an external MIDI device to play the DR-
670, and use the DR-670 to play an external
MIDI device
● Transmit data from the DR-670 to an
external MIDI device and return the
transmitted data to the DR-670
In MIDI mode, you can make the necessary
parameter settings for handling MIDI data.
You can also transmit data in MIDI mode.
◆ To switch to MIDI mode, hold down
[SHIFT] while the performance is stopped
and press Key Pad 14 (MIDI).
fig.09-02a
fig.09-03
■ Procedure
1. Switch to MIDI mode.
2. Press [ ] [ ] to select the
parameter to be set.
fig.09-04
3. Change values in the Sync Mode, MIDI
Channel (Drum), and Device ID settings
screens by rotating the TEMPO/VALUE dial.
Synchronizing Performances
with a Digital Recorder or
MIDI Sequencer (Sync Mode)
You can synchronize the DR-670’s performances
with digital recorders, MIDI sequencers, rhythm
machines, and other such devices.
Master and Slave
When synchronizing two or more devices, one is
made the “master” device and all others “slaves.”
fig.09-05
When the master device is started or stopped, a
MIDI message for that operation is transmitted.
The slave or slaves then start or stop in
accordance with the transmitted MIDI message.
Furthermore, timing clock data corresponding to
the tempo is transmitted by the master device.
Slave devices synchronize their performances to
this timing clock.
Other data transmitted from the master device
to slave devices includes song numbers (Song
Select) and the position of song performances
(Song Position Pointer). Holding down
( Sync Mode)
( MIDI Channel: Drum)
(MIDI Channel: Bass)
( Device ID)
( Bulk Dump)
( Bulk Load)
MIDI OUT
Master
MIDI IN
Slave (DR-670)