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chapter 6
Troubleshooting
MobilePre has been designed and tested under a
wide range of systems and operating conditions
to give you high performance and professional-
quality audio. However, there is a large number
of operating scenarios that could affect your sys-
tem's performance. Although this chapter can-
not cover all issues you may encounter, it does
offer some suggestions for dealing with com-
mon problems.
We recommend that you avoid connecting too
many devices via USB. The USB bus is a depend-
able protocol that is ideally suited for digital au-
dio. Nevertheless, it is important to remember
that audio and multimedia streaming can place
considerable demands on your processor and
the USB bus.
Check Your Connections
If you are having trouble getting audio in or out
of your MobilePre, check the following:
Make sure the device is connected via USB at
both ends, and that the computer's USB port
is providing sufficient bus power (the blue
Power LED on MobilePre should be illumi-
nated).
Make sure your music software is receiving
audio signal. If you find that your recording
application is not receiving a signal:
• Check your connections and cables to
make sure everything is plugged in cor-
rectly.
• Try using a different USB cable and USB
port on the host computer.
• Check the Signal/Clip indicators for each
channel to see if an input signal is present.
• If your condenser microphone requires
phantom power, make sure the Phantom
Power switch is set to the "on" position,
and that the front panel Phantom Power
LED (48V) is illuminated.
For more troubleshooting tips, visit the
Knowledge Base at www.m-audio.com/faq.
Chapter 6: Troubleshooting
13
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