Once installed, run it and go to "File|Open..." and type in the address of your CH-1, adding "/catnet.swf" to the end:
http://192.168.0.50:8651/catnet.swf
You can also set up an icon on the desktop to automatically go to the CH-1. Make a shortcut to the Flash Player Projector, right-click the icon, select "Properties" and add the address to the end of the "Target" line: