Edirol UA-20 User Manual

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Getting Connected and Installing Drivers (Macintosh)
Installing the OS-standard driver
1
With the UA-20 disconnected, start up Mac OS.
2
Exit all currently running software (applications).
If you are using a virus checker or similar software, be sure to 
exit it as well.
fig.05-35e_30
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 the USB cable to connect the UA-20 to your 
computer.
7
Wait for approximately five seconds.
The UA-20 will use the 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.
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.