http://www.sounddevices.com/download/guides/mixpre-d_en.pdf (http://www.sounddevices.com/download/guides/mixpre-d_en.pdf)
^ Above link broken, adding new links to access the legacy manual, its a 2 MB file too large to attach.
https://www.sounddevices.com/product/mixpre-d/
https://cdn.sounddevices.com/wp-content/uploads/2019/04/mixpre-d_en.pdf