Edirol UA-20 Use either OMS or FreeMIDI as the Midi driver, Be sure to install the Midi driver

Getting Connected and Installing Drivers (Macintosh)

Switching between Advanced mode and Standard driver mode

If you first install both the special driver and the standard driver, you will be able to switch between Advance and Standard driver modes by operating the UA-20's ADVANCE (mode select) switch.

*In order for the setting of the ADVANCE (mode select) switch to take effect, you must exit all sequencer software and other applications that use the UA-20, and re-connect the UA-20.

Installing the special driver

You must install the MIDI driver even if you will be using only audio on the UA-20.

Be sure to install the MIDI driver.

Use either OMS or FreeMIDI as the MIDI driver.

If you are using OMS	(p. 44)
If you are using FreeMIDI	(p. 48)

*Either OMS or FreeMIDI must be installed in your Macintosh, as appropriate for the sequencer software you are using.

*If the power of the UA-20 is turned on, a message like the following will appear when the Macintosh is started up. Perform the steps described below as appropriate for the message that is displayed.

If the screen indicates:

“Driver required for USB device ‘unknown device’ is not available. Search for driver on the Internet?”

➝click [Cancel].

If the screen indicates:

“Software required for using device ‘unknown device’ cannot be found. Please refer to the manual included with the device, and install the necessary software.”

➝click [OK].

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