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performance. Drives with low seek times that run at a minimum of 7200
RPM are best.
• You can’t be too rich or have too much RAM. It’s a good idea to have at
least 128MB, while 256MB or more will greatly enhance performance.
Troubleshooting:
Problem: No sound.
Possible Cause1: Drivers have not been installed, or the Duo has not
been properly configured in your music software.
Possible Cause2: Audio connections have not been properly made.
Check your connections and your cables for continuity.
Problem: I can select the M-Audio USB ASIO driver in my music program,
but it gives me an error message.
Possible Cause1: On the PC, make sure that ASIO is selected in the
Audio Configuration Manager, located in the systray of your Windows Taskbar.
If it is not, the ASIO driver will test and configure properly, but an error message
will advise you that you can’t use MME and ASIO at the same time.
Possible Cause2: On the Mac, if the Duo ASIO driver is placed in the
music program’s ASIO folder, you will be able to select it in the audio setup.
However, if the Duo is not being recognized by the system, then you will be told
that no Duo is attached. Check your USB connections, and make sure that the
Duo is powered up.
Problem: I can’t hear my system sounds.
Possible Cause1: On the PC, if you are using the ASIO drivers, and
ASIO is selected in the Audio Configuration Manager, then you will not be able
to hear you system sounds (using the MME drivers) if they are being directed to
the Duo. If you have another sound device in your system, you can go to Control
Panel | Multimedia and select this other device. Then you will hear system sounds,
provided you are monitoring the alternate sound device in some fashion.
Possible Cause2: On the Mac, you must restart once after installing the
Duo drivers. Then, go to Apple | Control Panel | Sound, and set the output (and
the input, if you like) to “USB Audio.” If the Duo is set to “built-in” in the Apple
Sound Control Panel, then you will be able to hear the system sounds through the
computer’s internal speaker(s).
After exiting an ASIO application, the Duo must be reinitialized before it can be
used with the Sound Manager. Simply turning the unit off, then turning it back
on will do the trick.
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