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Connecting External Equipment
Connecting a Computer via USB
If you use a commercially available USB cable to connect the
GR-55’s rear panel USB connector to a USB connector on your
computer, you’ll be able to do the following things.
USB audio
• The sound of the GR-55 can be brought into your computer
and played. Sound from your computer can also be played
through the equipment connected to the GR-55’s OUTPUT
jacks.
USB MIDI
• Performance information from the GR-55 can be input via
MIDI to your DAW software.
* It’s not possible to play the GR-55’s sound generator
via input from the MIDI IN connector or the USB-MIDI
connector.
• You can use “GR-55 Librarian” software to back up and
manage GR-55 patches on your computer.
“GR-55 Librarian” can be downloaded from the Roland
website.
Roland website
http://www.roland.com/products/en/GR-55/
Connecting the GR-55 to a Computer
1. Install the USB driver in your computer.
In order to use the GR-55’s USB functionality, you must rst install the
USB driver in your computer.
Download the dedicated GR-55 driver from the Roland website.
Roland website
http://www.roland.com/products/en/GR-55/
Refer to the Roland website for details on the operating
requirements. The program and procedure for installing the driver
will dier depending on your system. Carefully read the Readme.htm
le included with the downloaded le.
2. Use a USB cable (sold separately) to connect the GR-55 to
your computer.
Computer’s USB connector
(Supports USB 2.0 Hi-Speed)
USB cable
(Supports USB 2.0 Hi-Speed)
USB connector
NOTE!
• This might not work correctly for some types of computers. Refer
to the Roland website for details on the operating systems that
are supported.
• Before connecting the GR-55 to other devices, you must minimize
the volume of all devices and turn o their power in order to
prevent malfunctions and speaker damage.
• Use a USB cable that supports USB 2.0 Hi-Speed operation.
• Use a USB connector on your computer that supports USB 2.0
Hi-Speed operation.
• Turn on the GR-55’s power before you start up your DAW software
on the computer. Do not turn the GR-55’s power on/o while the
DAW software is running.
What is the USB driver?
The USB driver is software that transfers data between the
GR-55 and the application (e.g., DAW software) on your
computer when the GR-55 is connected via USB to your
computer.
The USB driver sends data from your application to the GR-55,
and data from the GR-55 to your application.
USB function settings
You can make various settings for the USB functionality, such as the
volume of USB audio. For the procedure, refer to “Settings for the
Entire GR-55 (SYSTEM)” (p.69). For details on each parameter, refer to
“MIDI/USB” (p.79).