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Troubleshooting
The Ozonic has been designed to give you high performance and professional quality audio. It has been tested under a wide range of
systems and operating conditions. However, there are a virtually limitless number of operating scenarios, any of which could affect your
system’s performance. Though this section cannot cover all possible issues you may encounter, we would like to offer you some suggestions
for dealing with common problems.
We recommend that you avoid connecting too many devices. The FireWire bus is a dependable, high-speed, high-bandwidth protocol that is
ideally suited for digital audio. Nevertheless, it is important to remember that audio and multimedia streaming places considerable demands
on your processor and the FireWire bus. Although it is theoretically possible to chain multiple FireWire devices in series, doing so has the
potential to degrade your audio performance.
Generally, FireWire devices do not suffer from the IRQ conflicts often encountered with PCI cards on Windows PCs. If you are having trouble
getting audio in or out of your Ozonic, please check the following:
If you have no sound:
< Check to see if the Ozonic drivers are properly installed. In Windows XP, go to the Control Panel and double-click the System icon
(under Performance and Maintenance if you are in Category view). Select the Hardware tab and click the Device Manager button.
Click the plus sign (“+”) next to Sound, Video and Game Controllers, and locate the Ozonic listing. If you see a question mark or
exclamation point next to it, or if you don’t see it listed, you may need to reinstall the driver software.
< Make sure your audio software has been set up to use the Ozonic. Open your application’s audio settings page and check to see if
the Ozonic’s ASIO, WDM, or CoreAudio drivers have been selected.
< If you’re certain the Ozonic is correctly installed and configured for your audio software, check your signal path. Make sure your
inputs are routed correctly by verifying that your application is receiving the audio signal. Make sure your outputs are routed correctly
so that your signal is sent to your headphones, amp and/or monitors.
< Check your audio connections and cables to make sure everything is plugged in correctly.
< Check to make sure the Power button is enabled.
If you are experiencing clicks and pops in your recordings:
< Make sure your input levels are not too hot, as this can cause distortion and clipping. Check the input level meters in your audio
application.
< You might want to try using a larger buffer size. Larger buffer sizes can increase input latency time, but if you’re mixing, for example,
this is not an issue. Increasing the buffer size can be helpful, particularly in the case of older or lower-powered systems.
< If you have “daisy-chained” other FireWire devices, try using the Ozonic without them to see if this works better. The noise might be
due to a low power situation on the bus, or a bus-master conflict.
My M-Audio keyboard suddenly stopped working after having performed fine since installation.
< Switch off the unit and leave for 10 seconds. Then restart your computer and try again. If the problem persists you may have to re-
install drivers for the unit.
My drivers are listed in the Device Manager and are said to be working OK, but the keyboard is not recognized in any software.
< Win2000 and XP have a limitation to how many MIDI device drivers you can have installed at any one time. There is no indication
that you are using the maximum number of drivers – the drivers will install as if there is not a problem.
< To fix this problem: Go to http://www.m-audio.com and locate the above question. You will find a link to an exe file that will solve this
problem for you.
I have plugged in a sustain pedal to my M-Audio keyboard, but it works the wrong way round.
< The polarity of the sustain pedal is calculated by the keyboard when it is powered up. On power up, the sustain pedal is assumed
to be in the OFF position. So, if you want the sustain pedal to be off when it is un-pressed, make sure the pedal is un-pressed when
you power up.
When I press a key, there is a delay before I hear any sound.
< This delay is known as latency. Latency with MIDI signals is due to the soft-synth you are using. MIDI data is simply control data. The
MIDI is read by the soft-synth. The soft-synth then completes a large number of complex calculations, in order to produce the sound
you hear. All this takes time. If you already have an adequate sound card, try re-installing the latest drivers for the sound card, or
try reducing the buffer sizes of the audio drivers.
< If you feel that you may need a new or upgraded sound card please visit www.m-audio.com.