Connecting MIDI Devices
By connecting an external MIDI device and exchanging
performance data, you can control the performances on
one device from the other. For instance, you can output
sound from the other instrument or switch tones on the
other instrument.
I What's MIDI?
MIDI stands for Musical Instrument Digital Interface, an
international standard which allows performance infor-
mation to be communicated among electronic musical
instruments and computers.
The HP109-PE provides MIDI connectors, which allow
performance data to be exchanged with external devices.
When these connectors are used to connect the HP109-PE
to external devices, an even wider range of possibilities
becomes available.
* 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 examples
* To prevent malfunction and/or damage to speakers or other
devices, always turn down the volume, and turn off the power
on all devices before making any connections.
Playing the HP109-PE from a MIDI
sequencer/Recording an HP109-PE perfor-
mance on a MIDI sequencer
MT Series
Out
MIDI
HP109-PE
Set Local Off if you have connected the HP109-PE to a
MIDI sequencer. Refer to "Switching Local Control on
and off" (p. 36). Also set your MIDI sequencer to MIDI
Thru mode (so that messages received at MIDI IN will be
re-transmitted without change from MIDI OUT). For
details, refer to the owner's manual of your MIDI
sequencer.
* MT-90s has no MIDI Out
connector.
In
Chapter 6. Connecting External Devices
Perform on the HP109-PE to play a MIDI
sound generator
HP109-PE
Making MIDI-related Settings
Here's how you can set the transmit channel and other
MIDI-related settings.
How to enter function mode
1. Hold down the [Split] button, and press the
[Chorus] button.
The HP109-PE switches to the set mode.
The indicators for the [Split] and [Chorus] buttons and
the button to which the function is assigned start flash-
ing.
Setting various functions
2. Press the button to which the desired function is
assigned.
The indicators for pressed button, [Split] button, and
[Chorus] button flash.
For details on the contents of each function, refer to the
explanations that follow.
3. Press the [-] or [+] button to change the value.
If you press the [-] and [+] buttons simultaneously, the
setting will return to the original value.
How to exit function mode
4. Press the [Split] or [Chorus] button.
The button's indicator will return to the previous state.
Sound Module
MIDI
THRU
OUT
IN
35