Connecting to MIDI Devices

Receiving on all MIDI channels– Omni On/Off

When set to Omni On, the HP 237R will sound as a result of received MIDI messages, no matter which channel the messages arrive on.

When set to Omni Off, the HP 237R will recognize only the messages that arrive on the MIDI channel that has been selected, as explained under “Set the MIDI Channel.”

Switching Omni On/Off

Omni On is automatically set when the power is switched on.

Hold down the [Piano 1] button, the [Piano 2] button, and the [Harpsichord] button, and press the “F4” note to turn the setting On, or the “G4” note to turn the setting Off.

fig.8-08.e

Electric

Electric

Harpsi-

Vibra-

Pipe

Strings

Piano 1 Piano 2 Piano 1

Piano 2

chord

phone

Organ

Tone

Metronome

Omni On Omni Off

Set the MIDI Channel

MIDI features sixteen MIDI channels, numbered 1–16. The connected devices must be set to use the same MIDI channels, otherwise no sound will be produced.

-In a setup where you wish to play the HP 237R and also have another MIDI-equipped instrument or sound module play the same notes, you should first set the channel used for reception on your external device to the same channel that you have the HP 237R set to use for transmission.

-If using another MIDI keyboard as a master instrument, and you wish to have the HP 237R played by it, you would need to set the channel used for reception on the HP 237R to the same channel that the master keyboard will be transmitting on.

-When wishing to have a sequencer play the HP 237R, you need to set the channel used or reception on the HP 237R to the same channel that the recorded MIDI data is set to use.

When the HP 237R is turned on, Channel “1” is selected.

While holding down the [Piano 1], [Piano 2], and [Harpsichord] buttons, press the appropriate key (C2–D4) on the keyboard.

The MIDI transmit channel and receive channel will

switch to the number that corresponds to the note you

pressed.

fig.8-09.e

Electric

Electric

Harpsi-

Vibra-

Pipe

Strings

Piano 1 Piano 2 Piano 1

Piano 2

chord

phone

Organ

 

 

Tone

 

 

 

Tone

 

Metronome

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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MIDI channel

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Roland HP 237R owner manual Set the Midi Channel, Receiving on all Midi channels- Omni On/Off, Switching Omni On/Off