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User Manual
Accompanying documentation
Babyface
Class Compliant Mode
Technical background, mode of operation, practical use
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Summary of Contents for RME Audio Babyface
- Page 1 Accompanying documentation Babyface Class Compliant Mode Technical background, mode of operation, practical use...
- Page 2 USB power. To avoid the mentioned error message when trying to use the Babyface with the iPad, make sure to connect all items in the right order: first connect the CCK with the Babyface, then plug it into the iPad – and the Babyface will start without that error message on the iPad. The long version: Connect Babyface to an external power supply, connect the USB cable to the BF, connect the CCK to this USB cable, then plug the CCK into the iPad.
- Page 3 So press both buttons while connecting the Babyface to USB buspower. The level meters will run up, confirming CC mode is activated. The Babyface stays in CC mode until this procedure is repeated. With only one LED on left and right side lit during power-on, the Babyface is in normal mode.
- Page 4 All adapters seemed to work for the simple application of copying photos. Attempting to run the Babyface with USB Audio 2.0 was when the problems started. Some of the tested adapters would not work at all, others only with short cables, and only one adapter came close to the quality of the original.
- Page 5 Class Compliant Mode under Windows, Mac OS X and Linux On a Windows PC, Class Compliant mode is indicated by a missing “RME“ in the device name shown in the Device Manager. In the correct mode and with installed drivers, the full name including RME is shown, without serial number.
- Page 6 With a wrong sample rate heavy audio noise will occur. Without an SPDIF or ADAT input signal the Babyface enters master mode and uses the sample rate set by Mac OS X or iOS (the app in use). The Babyface can be set to fixed Master mode as well, but the set sample rate is ignored, as the iPad (the current app) controls the sample rate value.
- Page 7 Babyface to USB buspower. During the boot process the level meters will run up, confirming the CC mode has been activated. The Babyface stays in CC mode until this procedure has been performed again. With only one LED on left and right side lit during power-on, the Babyface is in normal mode.
- Page 8 ‘master’ by selecting one of the Master settings. This setting can be quite useful. When pulling the dock connector from the iPad, the Babyface immediately enters stand-alone mode – and would turn to the sample rate that you prefer.
- Page 9 7. Useful notes Stand-Alone Mode As one wants to place the USB power supply not beside the Babyface, but further away into a power outlet, a cheap USB cable extension, male to female, might be used to bridge the distance.