Don't miss that you can work with two windows in Zoom, not just one. When performing the electronic presentation for a remote trial, it will be useful to have the participants' video feeds in one Zoom window, and the PowerPoint or electronic presentation in the second Zoom window.
To activate dual monitor mode in Zoom, click on the video settings next to the video camera icon . . .
. . . and then on the General tab check off ‘Use dual monitors’
You have to then restart Zoom in order for two Zoom windows to appear in a session. When you activate share screen, the application you select will pop up in the second window, while the Zoom gallery is shown in the first Zoom window.
You can also have some participants shown in the second Zoom window, and the main speaker shown in the first Zoom window.