User Manual of Digital Video Recorder82Figure 6. 4 Toolbar of PlaybackTable 6. 1 Detailed Explanation of Playback ToolbarButton Operation Button Operation Button Operation/ Audio on/ Mute / Start/Stop clipping Save clip(s)Add default tag Add customized tag Tag managementDigital Zoom Smart Search /Pause / Reverse play/Single-frame reverseplayStop /Pause play/ Play/Single-frame play 30s reverse30s forward Speed down Speed upPrevious day Next day /Scaling up/down thetime lineFull Screen Exit Video typeProcess bar Video type bar The indicates the start time and end time of the record files. represents normal recording (manual or schedule); represents event recording (motion, alarm,motion | alarm, motion & alarm). Playback progress bar: use the mouse to click any point of the progress bar to locate special frames.6.1.2 Playing Back by TimePurpose:Play back video files recorded in specified time duration. Multi-channel simultaneous playback and channelswitch are supported.Steps:1. Enter playback interface.Menu>Playback2. Check the checkbox of channel(s) in the channel list and then double-click to select a date on the calendar.