Edirol UA-20 Getting Connected and Installing Drivers Macintosh, Installing Drivers Windows p

USB port

Getting Connected and

Getting Connected and Installing Drivers (Macintosh)

If you are using a Windows computer, please proceed to

Installing Drivers (Windows) (p. 16).

What is a driver?

A “driver” is software that transfers data between the

Application

UA-20 and application

software running on your	USB	USB cable
computer, when your	driver
computer and the UA-20	Computer	UA-20
are connected by a USB

cable. The driver sends data from your application to the UA-20, and from the UA-20 to your application.

Advanced mode and Standard driver mode

The UA-20 has two operating modes, Advanced mode and Standard driver mode, and a different driver is used by each mode.

■Advanced mode

The UA-20 will operate in this mode when the rear panel ADVANCE (mode select) switch is turned ON. The special driver included on the CD-ROM will be used, allowing audio to be recorded/played/edited with high quality and stable timing. In Advanced mode, audio signals can be transferred between the UA-20 and the computer at a resolution of 24 bits and sampling frequencies of 44.1 kHz.

Select Advanced mode if you are using an application that is able to record/ playback/edit high-quality audio, such as a 24 bit audio application or an ASIO- compatible application such as Cubase VST, Logic Audio, and Metro.

In Advanced mode, the UA-20 cannot play back audio data (audio CDs or warning sounds) from the Macintosh sound manager.

(➝ Installing the special driver (p. 43))

■Standard driver mode

The UA-20 will operate in this mode when the rear panel ADVANCE (mode select) switch is turned OFF. The standard USB audio driver included with MacOS will be used. In standard driver mode, audio signals are transferred between the UA-20 and the computer at a resolution of 16 bits and sampling frequencies of 44.1 kHz. Select this mode if you are using an application that uses MacOS’s own functionality, such as an application that uses the computer’s CD-ROM drive to play back CD-audio, or an application that uses the software synthesizer included with MacOS. The standard driver included with MacOS does not support ASIO. Note also that the use of Mac OS 8.6 is not supported.

(➝ Installing the OS-standard driver (p. 53))

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