Owner's Manual

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C:\Program Files\XMOS\USBAudioStDriver_308E\W10_x64 C:\Program
Files\XMOS\USBAudioStDriver_308E\W7W8_x86 C:\Program
Files\XMOS\USBAudioStDriver_308E\W7W8_x64 In the appropriate folder
locate and run the following file:
xmosusbaudiost308E_dfuapp.exe
This will launch the firmware update utility and display the following.
In this example, the installed firmware version is v. 1.0.4. Use the
Browse… feature to locate the .bin file saved on your PC.
When you have located and selected the .bin file you saved, it will appear
in the Firmware window as shown. In this example, the new Firmware
is v. 1.0.8. To begin the update process, click the Start button.
Updating takes only moments, and you will see the bytes transferred
field increase as the process runs. When the process has ended, you can
confirm that the version number is up to date by looking at the Current
Firmware value displayed. As soon as you have confirmed that the
update process has successfully completed, click on Exit to close the
updater utility.
CHECKING AND UPDATING THE FIRMWARE VERSION (MACINTOSH USERS)
NOTE: the following applies to Macintosh OSX 10.8 and later!
Download the Sonoma M1 Updater Application (Sonoma M1 Updater.app) from the Warwick Acoustics downloads
page in the support section at www.warwickacoustics.com/ headphones/support. With the Sonoma Model One USB
port plugged into your MAC and the Sonoma Model One turned ON, launch the application.