User manual FOCUSRITE ISA 428 DIGITAL OUTPUT KIT

[. . . ] ISA 428 Digital Option Installation ISA 428 Digital Output Kit The kit should contain: Qty 1 4 1 Description ISA 428 Analogue to Digital converter card Crosshead screws Heatsink Installing the Digital Option The digital card is mounted in place using the 4 crosshead screws supplied and the two support brackets that are already installed in the unit. Tools required: No. [. . . ] Rest the ADC on the brackets so that the 4 ADC holes line up with the 4 bracket holes. Screw card into place using the 4x crosshead screws and the two screws retained from the rear option cover. Removing the Top Cover Remove the 11 crosshead screws fixing the top cover to the top and sides of the ISA 428 unit. Removing the Digital Option Cover on the Rear Panel The rear panel digital connector area is accessed by removing the rear cover plate next to the "DIGITAL OUTPUT" labelling. The plate is removed by removing the two crosshead screws shown below. Retain these screws for securing the digital card in place later. Once the card has been secured in place, the digital card ribbon cable can be connected to the adjacent socket, labelled J42. The connector should be pressed firmly down in place to ensure good contact. N. B. The cable has an orientation tab that should align with the orientation notch in the socket. If this is not correctly aligned the cable will not fit correctly ­ do not force it!Fitting the Heatsink Remove the two screws shown below and use them to attach the heatsink to the rear panel. Replacing the Top Cover The top cover should now be replaced using the 11 crosshead screws to secure firmly to the chassis. [. . . ] If you experience any difficulties installing this digital option please contact Focusrite technical support at tech@focusrite. com www. focusrite. com [. . . ]