Changing Patch And Other Parameters By Transmitting Midi Messages From The Gr-33 (Midi [Pc]) - Roland GR-33 Owner's Manual

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Chapter 9 Connecting to External Sound Generators and Sequencers
"GUITAR," a value of zero is sent to the external sound
generator on the Control Change message No. 7, and sound
from the external sound generator also stops. When "MIX"
or "SYNTH" is selected, values corresponding to the state of
the GK-2A volume or the expression pedal are sent, and
sound production is restarted.
Sending of Control Change message No. 7 can be stopped
when necessary (p. 97).
Transmitting in Mono Mode or Poly Mode
Transmission in Mono or Poly mode, one or the other of
which was selected at the same time as the channel in the
MIDI CHANNEL setting, differs as follows.
0
Transmitting in Mono Mode
Number of channels used:
One channel per string is used. The number selected when
specifying the channel in the System mode is taken as the
start for automatically selecting six consecutive channels.
(For example, when "Mono 3" is selected, the six channels
from channel 3 to channel 8 are sequentially used for strings
1 through 6. This means that no channel from 12 to 16 can be
selected as the starting channel when transmitting in Mono
mode.)
Features:
Information on continuous pitch changes (MIDI Bend
messages) can be sent independently for each string. This
makes it possible to reproduce unique guitar techniques such
as tremolo bar usage and harmonized bending.
Suitable usage conditions:
Mainly when using a multitimbral sound generator offering
six or more parts
0 Transmitting in Poly Mode
Number of channels used:
A single common channel for all strings is used. The sending
channel set in the System mode is used as-is.
Features:
Only a single channel is used for all guitar parts, so the
number of MIDI channels used can be reduced. This enables
control even for sound generators which cannot receive
simultaneously on six channels.
However, it should be noted that when two or more strings
are playing, Bend messages are not sent and the pitch
changes at semitone intervals. This means that the pitch
actually being played on the guitar cannot be reflected
perfectly in the synth sound.
Suitable usage conditions:
\Vhen using an external sound generator with five or fewer
parts, or when the number of MIDI channels (sound
generator parts) must be reduced
88
*
In poly mode, individual, string-specific MIDI settings are
disabled. Instead, the settings for n single siring are used.
Changing Patch and Other Parameters
by
Transmitting MIDI Messages from the GR-33
(MIDI [PC])
When the pedal or [VALUE] is used to change patches on the
GR-33, a Program Change (tone change) message is sent to
the external device from MIDI OUT. This can be used to
change tones on the external sound generator or to change
patches for guitar-sound effects.
The number of the Program Change message that is sent can
be freely changed and saved to the patches on the GR-33. (At
the time of purchase, Program Change numbers 1 through
128 are assigned sequentially to patches All through D84.)
Changing the Program Change Number
Sent to the External Device During Patch
Selection
1.
Select the patch whose setting you want to change, and
press [COMMON] to enter Patch Edit mode.
2. Press [PARAMETER) to select "MIDI [PC]."
fil
[PCJ
3. Use the [STRING SELECT] to select" ALL" for the
strings you wish to make settings.
If you wish to change settings for individual strings,
refer to the following section "Selecting Separate Sounds
for Different String."
IRLLI
EPCJ
4. Use [VALUE] to choose the value.
The program change number can be selected from a
range of Off and ]-128.
5. Press [WRITE] to perform the Patch Write operation (p.
36).
*
After
pe1for111i11g
the Patch Write
operation, you
will
automatically return to Play mode.
*
If yo11 dvn't want to save the Patch, press [PLAY] to retum to
Play mode.
If you wish to play only the internal sound generator, select
"Off" in the step 4 above. For patches that are set to "Off,"
you can also stop the transmission of performance data other
than program changes.

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