Press [Enter] - Roland GR-640 User Manual

connect a third unit and any subsequent units.
Procedure
* Do not connect the USB cable at this stage.
Turn off the power of the machine.
While holding down [PINCH], switch on the power
switch.
The screen shown in the following figure is displayed.
Press [ ] and [ ] to select a setting other than "A."
It is possible to select a value from "B" to "E." In this example, "B" is selected.

Press [ENTER].

The screen shown in the following figure is displayed.
Turn the power off and then on again.