ISA 428 Digital Option Installation

ISA 428 Digital Option Installation
ISA 428 Digital
Option Installation
ISA 428 Digital Output Kit
Installing the Digital Option
The kit should contain: -
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.
Qty
1
4
1
Description
ISA 428 Analogue to Digital converter card
Crosshead screws
Heatsink
Tools required: No. 1 crosshead screwdriver, Pozihead preferred.
WARNING!
THE MODULE SHOULD BE DISCONNECTED FROM THE
AC POWER BEFORE ATTEMPTING TO CARRY OUT THE
FOLLOWING INSTRUCTIONS.
ALLOW THE MODULE TO COOL BEFORE STARTING
INSTALLATION OF THE DIGITAL OPTION.
ANTI-STATIC PRECAUTIONS SHOULD BE TAKEN WHEN
HANDLING THE CARD OUTSIDE OF ITS ANTI-STATIC
BAG; ONLY HANDLE THE CARD BY GRIPPING THE CARD
BY ITS EDGES AND AVOID TOUCHING ANY OF THE
COMPONENT PARTS OTHER THAN THE CABLE AND
CONNECTORS. PLACE THE UNIT ON A CLEAN, FLAT
SURFACE.
Removing the Top Cover
Remove the 11 crosshead screws fixing the top cover to
the top and sides of the module.
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.
Fitting the Card
Drop card into unit with the cable pointing toward
socket J42. 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.
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.
The installation is now complete and the unit can be
reconnected to the AC power.
Initialising the ISA 428 Unit with ADC Fitted
The ISA 428 recognises the installation of the digital card
by switching on the power to the unit while holding
down any of the front panel switches. Once the front
panel is illuminated, release the front panel switch. The
digital card will now be active.
This is a one-time action – once initialised the ISA 428
will recognise the presence of the ADC each time the
unit is powered up.
Please refer to the ISA 428 user guide for digital card
operation.
Notes
•
•
When syncing to an external clock the sampling
frequency should be set to match between the two
pieces of equipment.
If you experience any difficulties installing this digital
option please contact Focusrite technical support at
tech@focusrite.com
www.focusrite.com
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