The size of the OMNI window is relative to the resolution of your display. Therefore you must increase the resolution of your display in Windows in order to decrease the size of your omni window.
Attached is a details document covering several different aspects of OMNI Select. -Troubleshooting communication problems -Complete communication overhaul -Using Toolkit -How to check for devices -Serial Port/Loopback tab -Multi-point PWAs tab ...
No, backwards compatibility was added in a later AutoSort Connect version, therefore you would need to upgrade to ASC, and the appropriate version of OMNI software, before backwards compatibility will work.