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32
Connecting to MIDI Devices
Cautions when Connecting
an External MIDI Device
Here we will explain the “Local On/Off” and “Omni On/
Off” settings that you need to be aware of when connecting
the MP-500 to an external MIDI device.
■
Disconnecting the MP-500’s
keyboard and internal sound
generator—Local On/Off
When the MP-500 is connected to a MIDI sequencer or the
like, set it to Local Off.
As shown in the diagram, the data that is produced when
you play the keyboard will reach the sound generator by two
routes, (1)and (2), causing each note to be played in
duplicate. To prevent this, select the Local Off setting to cut
route (1).
fig.8-04.e
This sets it to Local On:
fig.8-05.e
This sets it to Local Off:
fig.8-06.e
NOTE
Be aware that if you set your instrument to Local Off when no
external MIDI device is connected, there will be no sound.
■
Switching Local On/Off
Local On is set when the power is switched on.
While holding down the [Piano 1] button,
[Piano 2] button, and [Harpsichord] button,
the “B4” note to turn the setting On, or
press the “C5” note to turn the setting Off.
fig.8-07.e
If the MP-500 is connected to a Roland MT series (except MT-
90s), it is not necessary to make the Local Off setting. When
the power is turned on, the MT series will transmit a Local
Off message. If you turn the power on in the order of first the
MP-500 and then the MT series, the MP-500 will
automatically be set to Local Off.
(1)
MIDI
MIDI
MIDI
MIDI
(2)
IN
IN
OUT
OUT
Sequencer
Memory
Sound
Generator
Each note played
is sounded twice
Thru function On
Local On
Local On
Sound is emitted
Sound Generator
Local Off
No sound produced
Sound Generator
120168
Tempo Beat
20840 608096
3602 4
Play Rec Demo SongSound On/ Off
Metronome
StringsPiano 1 Piano 2 chord
Harpsi-
phone Organ
Vibra- Pipe
Piano 1
Electric
Piano 2
Electric
Tone
Local Off
Local On
MP-500.e.book 32 ページ ２００３年６月１１日 水曜日 午前９時４６分