I am unable to change the sampling rate from 48.0k to 44.1k. Any idea why it is shaded out? What can I do?
UD-3900 Plugable UD-3900 Dual Display Universal Docking Station
!](https://d2r1vs3d9006ap.cloudfront.net/s3_images/1520769/screenshotof48kproblem_inline.jpg?1481248590)](https://d2r1vs3d9006ap.cloudfront.net/s3_images/1520769/screenshotof48kproblem.jpg?1481248590)