User Manual of Digital Video Recorder77Playback InterfaceYou can use the toolbar in the bottom part of Playback interface to control playing progress, as shown in thefollowing figure:Figure 6. 4 Playback InterfaceClick the channel(s) if you want to switch playback to another channel or execute simultaneous playbackof multiple channels.Figure 6. 5 Toolbar of PlaybackTable 6. 1 Detailed Explanation of Playback ToolbarButton Operation Button Operation Button Operation/ Mute/Audio on / Start/Stop clipping Save clip(s)Add default tag Add customized tag Tag managementDigital Zoom /Pause/Play Reverse Stop30s backward 30s forward Previous daySlow forward Fast forward Next day/Scaling up/downtime bar Process bar Full ScreenExit Video type bar Normal playbackAdjust the audiovolume