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26
MIDI Functions
The GW-7 can transmit and receive performance data when
connected to an external MIDI device, which enables the two devices
to control each other’s performance. For example, one device can
play or switch sounds on the other device.
MIDI
stands for “Musical Instrument Digital Interface.” It is a
universal standard for exchanging musical performance data
among electronic musical instruments and computers.
The GW-7’s MIDI connectors allow it to transmit performance data
to, and receive such data from other devices. You can use the GW-7
in a wide range of ways by connecting external devices to these
connectors.
* A separate publication titled "MIDI Implementation" is also available.
It provides complete details concerning the way MIDI has been
implemented on this unit. If you should require this publication (such
as when you intend to carry out byte-level programming), please
contact the nearest Roland Service Center or authorized Roland
distributor.
Connection Example
Before making connections with other devices, you must turn
down the volume of all devices and turn off the power to avoid
malfunctions or speaker damage.
MIDI provides sixteen channels, numbered 1–16. Even if two MIDI
devices are connected, you won’t be able to select or play sounds on
the other device unless both devices are set to the same MIDI
channel. The GW-7 is capable of receiving on all channels, 1–16.
*1
: The bass that sounds when the backing is playing
*2
: Main mode, the Upper Tone of Split mode, or the first Tone
of Dual mode
*3
: Second Tone of Dual mode
*4
: Lower Tone of Split mode
*5
: The bass that sounds according to the chord you play in the
left hand when [BACKING TRACK] is lit and the backing is
stopped
*6
: If you assign a drum set for Main mode, the Upper Tone of
Split mode, or the first Tone of Dual mode
For details on how to make these settings, refer to “System Settings”
(p. 24).
MIDI parameters other than “Local Ctrl” will be saved as soon
as you exit System Edit mode.
Local Ctrl (Local Control)
(On/Off, default: On)
If the notes you play on the keyboard are sent to the sound
generator via both of the two routes (1) and (2) as shown in the
diagram, the notes will be duplicated or interrupted. To prevent
this, you can disconnect route (1) by using the “Local Off”
setting.
You should turn this setting Off if you’ve connected a MIDI
sequencer to the GW-7.
The setting of this parameter is cleared when you switch off the
GW-7’s power.
MIDI TxRx (MIDI Transmission/Reception)
This specifies the part(s) that will receive and transmit MIDI.
Sync Rx (MIDI Synchronization)
This specifies how the GW-7 will synchronize to an external
MIDI device. Synchronization is available if the MIDI OUT
connector of your external MIDI device is connected to the GW-
7’s MIDI IN connector. (If you’ve made the opposite connection,
refer to the owner’s manual for your external device.)
MIDI Channels
1
Backing 1
2 Backing bass
*1
3
Backing 2
4 Main (Keyboard)
*2
5
Backing 3
6 Dual (Keyboard)
*3
7
Backing 4
8 Backing 5
9 Backing 6
10 Backing drums
11 Split (Keyboard)
*4
12
Chord Bass (Keyboard)
*5
13
14
15
16 (Main (Keyboard))
*6
MIDI sound module/
sequencer
Use the GW-7 to play your MIDI sound module
Play the GW-7's sounds from your MIDI sequencer
GW-7
MIDI Parameters
Option
Meaning
ALL All parts
KBD • The keyboard part (refer to “(Keyboard)” in the
“MIDI channel” table in the left column of this
page)
• The song parts (1–16)
STL • The backing parts (Backing 1–6, Backing bass,
Backing drums)
• The song parts (1–16)
SNG Only the song parts (1–16)
OFF None of the GW-7’s parts will transmit or receive
MIDI messages.
(1)
MIDI
MIDI
MIDI
MIDI
(2)
IN
IN
OUT
OUT
Sequencer
Memory
Sound
generator
Play a note once;
it's sounded twice
Thru setting turned on
Local on
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