Freeze/Black When Switching Between Cameras

I am considering purchasing Boinx for a video project that would be produced on-location with three cameras. I need the capability to smoothly cut between three cameras while shooting this project. However, I notice while using Boinx that frequently when I switch between cameras either one of two things happen: the camera I’m switching from freezes for a half second before switching to the next camera OR black pops up for a second or two. Could this just be a matter of an incorrect setting? Obviously I can’t have this issue when shooting.

Please use the Video switcher layer for video switching. It solves this effect and is made specifically for switching cameras.

Thanks, I’ll try that. I’m really hoping that Boinx will be the solution I’m looking for.