In the manual channel assignment you can set up an own configuration of the channels which you want to operate. You can operate each of the four channels of the XLC4 control unit separately.
In the specific dropdown menu click Channels.
Click Use manual channel assignment.
Configuration
You can configure all four channels of the XLC4 control unit manually.
In the specific dropdown menu click Channels.
Click Manual channel assignment configuration
The configuration window opens
Select the number of connected Corona II modules for each channel.
Various configurations are possible.
Sample

Sample for manual channel assignment configuration