Edirol USB Audio/MIDI Interface UA-20 User Manual

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Getting Connected and Installing Drivers (Macintosh)
fig.05-37e_30
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.
Next, you will need to make the driver settings.
Settings the sound input/output
fig.05-44e_30
1
From the 
Apple
 menu, select 
Control Panel
 – 
Sound
.
The 
Sound
 dialog box will appear.
fig.05-45e_30
2
Click the 
Speakers
 tab or 
Speaker Settings
.
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
.
The main volume slider will 
not move.