15.How to view video playback

①Open the NVR system desktop, find the "Record" button in the lower left corner, and click to enter video playback

② After entering the video playback interface, find the "Calendar" icon in the upper right corner, click on the calendar to view the date that needs to be played back

③After entering the video playback interface, find two triangular buttons in the lower right corner, one is the fast forward button and the other is the rewind button.