[. . . ] Toslink Optical cables must be connected from the ADAT Out ports of the Sonorus StudI/O card to the ADAT In ports of the Digital 328 and vice versa. [. . . ] Using the encoder beneath the display, scroll up or down until the `Clock Source Sel' menu is highlighted, and press <ENTER>. Here, either the internal 44. 1kHz clock or the internal 48kHz clock must be selected, depending on the sampling rate at which work is to be done. Press <ENTER> to set the sample rate and <MENU> to return to the menu pages. 2 <Wordclock Src. > Internal:44. 1kHz or <Wordclock Src. > Internal:48. 0kHz To ensure that the Digital 328 Tape Ports are set to ADAT to work with the Sonorus StudI/O, enter the 328 Menu pages by pressing the <MENU> button on the right hand side of the LCD display. Using the encoder beneath the display, scroll up or down until the `Tape Port Select' menu is highlighted. If the backplate is fitted then you can also run the Sonorus StudI/O as a master device by setting the "Audio Clock Source" to Internal. When using this method you must connect a wordclock cable from the WORDCLOCK OUT BNC on the backplate to the WORDCLOCK IN BNC on the Digital 328. Ensure you select BNC from the "Clock Source Select Page on the Digital 328 to make it slave to the Sonorus StudI/O. Spirit Digital 328 v2 4 Audio Data The Sonorus StudI/O must now be set up to transmit and receive audio data to and from the Digital 328. Here you can adjust the bit rate of the data passing to and from the Digital 328. [. . . ] For the highest quality results, select 24-bit, as the Digital 328 can send and receive all 24-bits. Please refer to the Sonorus StudI/O documentation for other system settings. Spirit by Soundcraft Harman International Industries Ltd. , Cranborne House, Cranborne Road, Potters Bar, Herts EN6 3JN, England. [. . . ]