Roland GT-PRO Owner's Manual download pdf (Page 126)

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Driver installation and settings (Macintosh)

The GT-PRO features two operational modes, each of which uses a different type of driver, with one mode using the special

driver on the CD-ROM included with the GT-PRO and the other mode using the standard Mac OS driver.

Before installing the drivers, you must first switch the GT-PRO’s driver mode.

For instructions on switching the GT-PRO’s driver modes, refer to “Switching the Driver Mode” (p. 88).

Special driver mode

Switch to this mode when using GT-PRO Editor and GT-PRO Librarian while the GT-PRO is connected to your computer

via USB.

You can use the native driver included on the GT-PRO Driver CD-ROM to record, play, and edit audio with high quality

and stable timing.

In Special driver mode, audio signals are transferred between the GT-PRO and the computer at a bit depth of 24 bits and

a sample rate of 44.1 kHz.

Choose Special driver mode if you are using software that supports 24-bit audio, such as the Cakewalk series or Cool Edit;

or ASIO-compatible software that can record, play, and edit high-quality audio, such as Cubase or Logic.

In Special mode, the GT-PRO cannot play back audio data from the Macintosh’s sound manager (such as audio CDs and

alert sounds).

Normally, you should use Special driver mode.

* You cannot use the GT-PRO’s MIDI IN/OUT connectors as the computer’s MIDI interface.

* The driver for Mac OS 9 can also be used with Mac OS 8.6. Refer to “Mac OS 9 users” (p. 129).

Standard driver mode

The standard USB audio driver provided by Mac OS will be used.

In Standard driver mode, audio signals are transferred between the GT-PRO and the computer at a bit depth of 16 bits and

a sampling rate of 44.1 kHz.

Choose this mode if you are using software that uses the standard functionality provided by Mac OS, such as software that

uses the CD-ROM drive of your computer to play CD audio, or that uses the software synthesizer included with Mac OS.

* The driver included with Mac OS does not support ASIO.

* You cannot use the GT-PRO’s MIDI IN/OUT connectors as the computer’s MIDI interface.

* Use of a standard driver is not supported in Mac OS 8.6. Use the Special driver mode.

About the Driver Modes

The installation procedure will differ depending on your system.

Please proceed to one of the following sections, depending on the system you use.

• Mac OS X users........................................................................(p. 127)

• Mac OS 9 users ........................................................................(p. 129)

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Roland GT-PRO Owner's Manual Page 126