New System, No Internet

I purchased this system with the understanding that an internet connection was not necessary for it to work. After some reading, I think it will work fine without internet, but it appears I need a connection for operating the system through the downloaded APP and initial setup operations.

Can manual wired connections and connected tablets allow for system set up and camera views?, to get my system up and running?

I eventually will connect to the internet but that option is not available at my building at the moment.