Edirol UA-20 Owner's Manual page 72

Appendices
■Mac OS 8.6 or 9 Users
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1.
With the UA-20 disconnected, start up the Macintosh.
Disconnect all USB cables except for a USB keyboard and USB mouse (if used).
2.
Exit all currently running software (applications).
If you are using virus checking or similar software, be sure to exit it as well.
3.
After starting up Mac OS, select Apple System Profiler from the Apple menu.
The "Apple System Profiler" dialog box will appear.
4.
Click the Devices and Volumes tab.
5.
Set the UA-20's ADVANCE (mode select) switch to the ON position.
6.
Use a USB cable to connect the UA-20 to your computer.
This unit is equipped with a protection circuit. A brief interval (a few seconds) after
connecting a USB connector is required before the unit will operate normally.'
7.
Wait for approximately five seconds.
UA-20 uses a driver included with Mac OS.
While you are waiting, the screen display will not change, but the UA-20 is being detected. Do
not touch the mouse or keyboard.
8.
In order to check that detection has been completed, once again go to "Apple System Profiler",
and select "Update all information" from the Commands menu.
In the USB area, three audio devices will be displayed.
If these are displayed correctly, driver installation has succeeded. In the File menu, click
Quit to close "Apple System Profiler."
If they are not displayed correctly, disconnect the UA-20, wait for about ten seconds,
and then repeat the procedure from step 2.
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