On the Hardware page you can set which 52/DX modules are connected to your system.

In the Field Device name, enter a distinctive device name for this 52/DX mixing console.
Select Type:
Tip
To configure an 52-1104 control surface, go to Options>Configuration and select the Product Filter-Tab.
Activate
show discontinued products. All Module types are now visible.
Select your core type. (52-1804: 52/XS Core with integrated Multi I/O)
Use MADI Module 52-1821: If your XS core is equipped with a MADI module 52-1821, please select this check box to enable the inputs and outputs for the I/O Settings tab.Use Gigabit Audio 52-7391: If your XS core is equipped with a Gigabit Audio SFP Module, this enables the inputs and outputs in the I/O Settings tab. Gigabit Audio is useful e.g. to interlink with other DHD devices.APC 4 Select an I/O type or set the value to (none). Default is (52-1335).APC 3 Select an I/O type or set the value to (none). Default is (None).APC 2 Select an I/O type or set the value to (none). Default is (none).
Tip
When using older I/O Modules, they are not displayed by default. Go to Options>Configuration and select the Product Filter-Tab.
Activate
show discontinued products. All Module types are now visible.
Shows, how your configurated DX will look like.