You can play 4 historical synchronized video streams in Fast Forward mode or Reverse mode at 16 times real speed concurrently using the Lock times on navigation feature. If some cameras do not have video for the start time the user has specified, one or more panels may display video for 1 second from a future time while the panels synchronize.
Four panels - Lock on time navigation enabled
All 4 videos in Fast Forward mode
"No footage found message" displayed in panel of camera with no recorded video for a particular time