Roland GR-640 User Manual page 478

Press [ ] several times to display the screen
shown in the figure.
Press [ ].
Use [ ] and [ ] to select [ON] or [OFF].
Setting the Material Feed Speed
When the figure shown above is displayed, press [
shown below.
Press [ ] and [
Setting range: 1 to 10
Press [ENTER].
] to set the speed.
] twice to display the figure