This area displays technical and debug information for the system, if there is an upcoming exact time event, it's information is noted here. If the system sends or recives a contact closure its information is noted here.
This window gives you access to a window to send manual serial commands to your serial device that you have hooked up. Generally that serial Deivce is a Broadcast Tools Switcher
Allows the user to toggle the Contact closure inputs on or off for the device they have connected tot he system (generally this is a Broadcast tools device)