SDI plugin for Assimilate Scratch is installed automatically on Windows system. On macOS please select Options / Install plugins…
Now the SDI plugin needs to be configured in Scratch. On the main page select System Settings…
Then “Configure..” in the SDI Settings section:
And finally select Nobe OmniScope plugin in the list and set the options as follows:
Make sure the Channel 1 is enabled! Otherwise the signal will remain black in OmniScope.
Once the setup is done you can now connect from OmniScope using Assimilate Scratch source.