© Copyright Qvis® All documentation rights reserved. 55Note: After you searched files, system implements accurate playback once you click Play forthe first time. System does not support accurate playback for picture. System supports synchronised playback and non-synchronous playback. Thesynchronization playback supports all channels and non-synchronous playback onlysupports accurately playback of current select channel.Figure 4-144.4.3 Mark PlaybackPlease make sure your purchased device support this function. You can use this functiononly if you can see the mark playback icon on the Search interface (Figure 4-12).When you are playback record, you can mark the record when there is important information.After playback, you can use time or the mark key words to search corresponding record and thenplay. It is very easy for you to get the important video information. Add MarkWhen system is playback, click Mark button , you can go to the following interface. SeeFigure 4-15.
