Otus Troubleshooting

Problems with sound

If two Otus units are being used, a good ground breaker, like an audio transformer (stereo) should be connected between outputs of one Otus and the mixer inputs. However, to make sure that the frequency response of both units remains the same, two transformers can be used.

Another cause for noise created in a mixer is the pair of USB connectors in the computer having a difference in ground potential. The result usually is a high frequency oscillation in the mixer preamp stage that will be audible especially if gain controls are turned up.

If you're experiencing trouble with 44.1kHz audio in OSX, please update your unit's firmware by following these instructions.

If you're experiencing trouble with audio volumes in Windows, please follow these instructions:

Fixing volume problems in Windows


Problems with USB

Note! Not all PC's/Mac's with USB connectors are fully compatible with the USB specification. If you have problems with the Otus audio (chirping, the audio completely breaking up, or the whole audio dropping out) you most probably have a computer with a non-compliant USB host. In some cases the problem can be solved by updating either your computer's BIOS or drivers.

Check out www.usbman.com for information.

Note that problems with non-compliant USB hosts have nothing to do with Otus controllers, and you most probably will experience problems with any USB device utilizing a high USB throughput. Otus controllers are fully USB compliant devices.

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