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28
Chapter 5 Connecting an External Sound
Module or Sequencer
You can use the GR-20 to play an external sound module via
MIDI, or use it as an input tool for your sequencer.
Connecting an External
Sound Module or Sequencer
Connect the GR-20 to your external sound module or
computer (sequencer) as shown in the diagram.
fig.5-01(External Sound Module)
fig.5-02(External Sequencer)
* If you are connecting the GR-20 to a sequencer, turn “Local
Setting the Transmission Mode
The GR-20 lets you select either “Mono Mode transmission”
or “Poly Mode transmission” as the method it uses when
transmitting MIDI messages.
❍
Mono Mode transmission
Performance data for each string will be transmitted individually,
with each using its own separate MIDI channel. Starting with the
selected MIDI CH, six consecutive MIDI channels will be selected
automatically. For example, if MIDI CH is set to 3, the six channels
3–8 will transmit MIDI data for strings 1–6, respectively.
Since continuous pitch change data (MIDI Pitch Bend messages)
can be transmitted independently for each string, this allows you
to use performance techniques typical of a guitar, such as use of
the whammy bar and string bending.
* The connected sound module must be a multitimbral sound
module with at least six parts.
❍
Poly Mode transmission
Performance data for all strings will be transmitted on a single
MIDI channel. The selected MIDI CH will be used. Since the
entire guitar will use only one channel, this lets you conserve
MIDI channels. This also lets you control a sound module that
is not able to receive six channels simultaneously.
* However, if two or more strings are sounding, bend data will
not be transmitted; pitch change will occur only in semitone
steps. This means that the pitch actually being played by the
guitar will not be completely reflected by the synth sound.
1.
Turn off the power of the GR-20, and hold down the
[EXIT] button while you turn the power on again.
fig.5-03(Transmission Mode)
2.
Use the [NUMBER/VALUE] knob to select the mode.
: MONO MODE
: POLY MODE
MIDI OUT
MIDI IN
MIDI IN
MIDI IN
MIDI OUT
MIDI
Interface
PC
GR-20_e.book 28 ページ 2007年7月2日 月曜日 午後12時53分