When connecting multiple instances of this machine to a single computer with a USB cable, you must change the USB number of each machine so that the computer can distinguish between output destinations. The machine's default setting is "A." When connecting two or more machines, the second machine and every machine thereafter must be configured with a setting other than "A" so that the machine can distinguish the output destination of the data.
Follow the procedure below to connect a second machine. The same procedure can be used to connect a third unit and any subsequent units.
Procedure
* Do not connect the USB cable at this stage.
The screen shown in the following figure is displayed.
It is possible to select a value from "B" to "E." In this example, "B" is selected.
The screen shown in the following figure is displayed.
The screen shown in the following figure is displayed. Check that the letter you set in step 3 is displayed.
Procedure
The driver is installed.
Roland GR-640 (Copy 1) (or 1 Copy) is created.
(Hereinafter, this is referred to as "Copy 1.")
Right-click the Start menu, click Control Panel, click Hardware and Sound, and then click Devices and Printers.
From the Start screen, click Apps, and then click Control Panel. Click Hardware and Sound, and then click Devices and Printers.
From the Start menu, select Devices and Printers.
Procedure
Check that GS-640 (B) is displayed.
If the screen looks similar to the one displayed in the figure below, the second machine is connected correctly.