Hello and Welcome to HiFiVision.com - an online community for the home entertainment and tech enthusiasts!
If you would like to ask a question, participate in a discussion and view attachments please Register yourself.
CI stands for custom integration and is a certificate that Denon provides for professional installers with additional connnectivity options. Typically these for inwall installations and around the house connectivity. I have seen advanced setups where automatic lighting and window blinds would activate depending on when movies would start