Roland VE-7000 Manual de usuario descargar pdf (Pagina 26)

MIDI

implementado

4. Control data transmission data

The following data is transmitted by each type of controller.

01H Transmitted when pressed

02H Transmitted when released

03H Transmitted 0.3 seconds after pressed.

Successively transmitted every 0.1 seconds until released.

Dial controllers

Dial rotation expressed as a 7-bit binary complement. Positive values (1--63)

indicate clockwise rotation, and negative values (-1 to -64) indicate

counterclockwise rotation. The units are the number of clicks. One complete

turn is 24 clicks. An interval of at least 0.1 second is maintained between

transmitting changes in the dial position.

Joystick controller

Horizontal position is expressed as data of 0 for the left edge and 127 as the

right edge.

Vertical position is expressed as data of 0 as bottom (toward yourself) and

127 as top (away from yourself).

An interval of at least 0.1 second is maintained between each transmission

of changes.

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Roland VE-7000 Manual de usuario Pagina 26