The Dexon DIVIP PRO series can be controller via web interface of using a custom UI. 

To connect to the Web UI:

• find the device IP address and open it via web browser.
• Insert Username and Password. 
• The web UI has 2 main menu: Control & Configuration.
• In the control view you can select a source input and send it to any of the device outputs.
• In the control view it's possible to create up to 64 different layouts to manage the window composition.
• In the control view it's possible to crop any window and set a custom background.
• When in Configuration view, the video feed will go blank, here is possible to change the input and output names, configure the EDID 

For more information please refer to the user manual:
 

General Web Inteface configuration for Dexon Video Matrix. – Display Manager