Roland XV-5080 owner manual 222, What is RPN?

Chapter 10 Examples of Applications Using the XV-5080

in pitch with the Control Number 6 (Data Entry MSB) and Control Number 38 (Data Entry LSB) settings. There is no change in pitch when Data Entry MSB is set to “64” and Data Entry LSB to “0.” The pitch is raised as the respective values increase, and lowered as the respective values decrease.

Specifying the Range of Pitch Bend (p. 284)

•BendRng: Controller number 100 (value is 0), Controller number 101 (value is 0), Controller number 6 (value is 0– 12)

<Procedure>

Enable the external MIDI device to send a Control Change message.

For example, if you want to change the volume level, set the external MIDI device to send Control Number 7 (Volume message). In this case, the MIDI channel is matched to the MIDI channel of the Part the volume of which you want to change.

For information on how to make the settings, refer to the owner’s manual for your external MIDI device.

Operate the external MIDI device (adjust the controls, play back using the sequencer, etc.) to send the settings.

Not only is the actual sound played changed, but the values appearing in the display are changed as well.

What is RPN?

“RPN” (Registered Parameter Number) is an extension message prepared by Control Change message. Use RPN when using an external MIDI device to change the XV- 5080’s Pitch or Pitch Bend range settings. An RPN has an superior part (RPN MSB) and a subordinate part (RPN LSB). The RPN MSB (Control Number 101) informs the XV-5080 that a setting using RPN is to follow, and the RPN LSB (Control Number 100) value tells the which parameter is to be set. Lastly, the Data Entry (Control Change 6) value sets the degree of change.

Once the XV-5080 has been received an RPN parameter, all further Data Entry messages on that MIDI channel are considered to apply to that parameter. In order to prevent accidents, when the desired setting has been made for the parameter, it is recommended that RPN be set to Null.

For example, to raise the pitch of a certain Part by one half-step (semitone) send the following Control Change message from the external MIDI device.

•Controller number 100: value “2”

•Controller number 101: value “0”

•Controller number 6: value “65”

•Controller number 100: value “127” <- RPN null

•Controller number 101: value “127” <- RPN null

For more detailed information about RPN, please refer to the “MIDI Implementation” (p. 282).

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