Consider joining the Summon listserv where libraries communicate about implementing and providing Summon to their users, and the Summon team at ProQuest provides updates on new features and content loaded in Summon.
Instructions for how to subscribe to the listserv (clients mailing list) are found here in the Ex Libris Knowledge Center.
The Ex Libris Knowledge Center contains a wealth of more detailed information about how to set up and use Summon, including product documentation, training videos, release notes, and much more.
In addition, here are a couple other items available that might help:
Are you feeling like you need more assistance in incorporating Summon into library instruction?
There are some great materials libraries are providing to both the onsite user participating in library instruction, as well as the remote user working late at night, needing to be self-sufficient with conducting research.
Here are a few examples that come to mind. Please note that all libraries listed below are not necessarily providing the Summon 2.0 interface; some may be currently providing the legacy Summon interface: