revolution dac is based on XMOS XU208 . evaluation/testing firware available on testing folder .
Track change over "tick"  sound noticed in this test versions,  will fine tune later. 


on windows download and install  USB-Audio-Class-2.0-Evaluation-Driver-for-Windows_4.13.0.zip 

open  "TUSBAudio Firmware upgarde"  from the start menu.

connect revoltuion Dac on USB port

"device opened" shows on console upgrade window.

browse the xxx.bin file , start