Edirol USB Audio/MIDI Interface UA-20 用户手册
72
Troubleshooting
•
Has the MIDI device you are using been selected correctly?
Select
[UA-20 MIDI IN/OUT]
as the
MIDI output device
.
•
Are the track outputs set correctly?
MIDI tracks to which no MIDI playback device is assigned will not be heard. If you
want to play back a MIDI track, you must make sure that the MIDI device you want to
use is displayed in your software as the MIDI output port. For details, refer to the
owner’s manual for your software.
want to play back a MIDI track, you must make sure that the MIDI device you want to
use is displayed in your software as the MIDI output port. For details, refer to the
owner’s manual for your software.
Interrupted notes or delays occur during MIDI playback
•
In Windows XP, enable background processing.
Make the following settings so that MIDI processing will occur smoothly.
1.
Click the Windows
start
button, and from the menu that appears, select
Control Panel
.
2.
In
“Pick a category”
, click
“Performance and Maintenance”
.
3.
In
“or pick a Control Panel icon”
, click the
System
icon.
4.
Click the
Advanced
tab.
5.
At the right of the
Performance
field, click
[Settings]
. The
Performance
Options
dialog box will appear.
6.
Click the
Advanced
tab.
fig.2-30
7.
In the
Processor Scheduling
field, select
“Background services”
, and click
[OK]
.
8.
In the
System Properties
dialog box,
click
[OK]
.
The
System Properties
dialog box will
close.