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Connecting to MIDI Devices
Read this chapter if you wish to connect the HP 237R to an
external MIDI device.
If the HP 237R is connected to a MIDI sequencer, such as one
from the MT series, a performance recorded on the HP 237R
can be transmitted to the MIDI sequencer. It is also possible
to record the performance directly on the MIDI sequencer.
The recorded performance can be saved on the MIDI
sequencer.
When the HP 237R is connected to an MT series sequencer,
the rich variety of sounds built into the MT series sequencer
can be played from the keyboard of the HP 237R.
About the MIDI Connectors
fig.8-01.e
MIDI In Connector
Use a MIDI cable (sold separately) to connect from here to
the MIDI Out connector on the external MIDI device.
MIDI messages sent from connected external equipment will
be received here. As a result, the HP 237R will produce
sound, change tones, or perform other operations.
MIDI Out Connector
Use a MIDI cable (sold separately) to connect from here to
the MIDI In connector on the external MIDI device.
Performance data detailing what has been played on the
keyboard, and other data, such as that generated when a
pedal is depressed, is sent out from here to external MIDI
devices.
Making the Connections
NOTE
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.
1. Turn the volume down completely on all
equipment.
2. Turn off the HP 237R and any other devices
to be connected.
3. Use the optional MIDI cable to connect the
MIDI connector on the external MIDI device
to the MIDI connector on the HP 237R.
Take a look at the connection examples.
4. Turn on the power to all equipment.
5. Adjust the volume.
6. You should also make the following
settings as needed.
For details on making MIDI-related settings for the
HP 237R, refer to p. 32 through p. 35.
Connection Examples: Connecting to a
sequencer (The Roland MT Series)
fig.8-02.e
Connection Examples: Connecting to a MIDI
sound module
fig.8-03.e
About MIDI
MIDI, short for “Musical Instrument Digital Interface,”
was developed as a standard for the exchange of
performance data between electronic instruments and
computers.
The HP 237R is equipped with MIDI connectors to allow
such exchange of performance data with external
equipment and devices. Connecting the keyboard to
other devices with these jacks provides you with an even
greater variety of ways to use your keyboard.
InOut
MIDI
MIDI connectors on the rear panel
MT Series
HP 237R
InOut
MIDI Pedal
In
Out
MIDI
* The MT-80s has no MIDI Out connector.
Sound Module
OUTTHRU IN
MIDI
HP 237R
InOut
MIDI Pedal