94
Using the RD-700GX As a Master Keyboard
By connecting an external MIDI device to the MIDI OUT connector on the RD-700GX’s
rear panel, you can then control the external MIDI device with the RD-700GX.
Normally, the RD-700GX will transmit note messages from the MIDI OUT connector, but
if you press the [EXTERNAL/INTERNAL] button so the “EXTERNAL” indicator is lit, you’ll
be able to control various settings on your external MIDI device in addition to transmitting
note messages.
You can control internal and external sound generators independently.
If you press the [EXTERNAL/INTERNAL] button so the “EXTERNAL” indicator is lit, the RD-
700GX will be in a state where it can control an external MIDI sound module (EXTERNAL
zone). You use the [EXTERNAL/INTERNAL] button to switch between control of the
INTERNAL zone and control of the EXTERNAL zone. You can also make detailed settings
for MIDI messages transmitted to external sound modules.
MIDI (Musical Instrument Digital Interface) is a standard specification that allows musical
data to be exchanged between electronic musical instruments and computers. By using
a MIDI cable to connect devices that have MIDI connectors, you can create an ensemble
in which a single MIDI keyboard can play multiple instruments, or change settings
automatically as the song progresses.
The RD-700GX has the following three types of MIDI connector. Their functions differ as
described below.
fig.Q3-01
MIDI IN Connector
Performance messages from an external MIDI device are received here. These incoming
messages may instruct the RD-700GX to play sounds or switch tones.
MIDI OUT Connector
MIDI messages are transmitted from this connector to external MIDI devices. The RD-
700GX’s MIDI OUT connectors are used for sending the performance data of the
controller section as well as data used for saving various settings (Bulk Dump
→
p. 135).
MIDI THRU Connector
MIDI messages received at MIDI IN connectors are re-transmitted without change from
this connector to an external MIDI device. Use this in situations such as when you use
multiple MIDI devices simultaneously.
The RD-700GX lets you switch the function of the MIDI THRU/OUT 3 connector (p.
110).
What’s MIDI?
About MIDI Connectors
RD-700GX_e.book 94 ページ ２００８年２月１３日 水曜日 午後５時４９分
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