1. Add a camera or network source, open the video properties window, click "Instant replay" page, check "enable", set the playback speed and cache path (the cache path is best set on the SSD).

           

  1. The source window is shown as follows:

                         

  1. Click the "record" button to enter the recording state. Click the "- 2" button to interrupt the PGM and play the video of the first 2 seconds of the current source at 20% speed. Other buttons, and so on.