20Chapter 5: Timeline UniFi Video User GuideUbiquiti Networks, Inc.Select Playback Start Time and Duration1. The playback start time is displayed at the lower leftside of the video screen.Back ForwardPlayback DurationPlayback Start Time2. To change the start time, use the and controls(Back and Forward, respectively) on the left and rightsides of the window. Each click will move the start timeforward or backward by half the value of the playbackduration. For example, if the duration is one hour,clicking will move the start time back 30 minutes.3. The playback duration is displayed at the lower right ofthe video screen.4. To change the duration, click it to display a list ofavailable values: 24 Hrs, 12 Hrs, 6 Hrs, 1 Hr, or 30 Min.Select the desired duration. The default is 1 Hr.Select Playback Rate1. The playback rate is displayed below the center of thevideo screen.PlaybackRate2. To change the rate, click it to display a list of availablerates: 0.25x, 0.5x, 1x, 2x, 4x, or 8x. Select the desired rate.The default is 1x.PlaybackAfter you have selected the video clip, use the controls toview it. The controls include:• Timeline The Timeline shows the start and end timesof the video clip, with tick marks at regular intervals inbetween. Drag the slider to advance directly to aspecific point in the video.• Motion Bar The Motion Bar contains red markers toshow where motion has been detected in the video clip.• Zoom When you position the cursor over the videoscreen, the Zoom control appears, allowing you to zoomin on specific parts of the video display, or to zoom backout. Use the slider control or the and buttons toadjust the zoom factor.When you zoom in, a small box will appear in the upper-right corner of the video display, showing the zoomed-in area within the main field of view. To zoom in on adifferent area, click and drag the video screen until thedesired area is displayed.Control buttons used for playback include the following:Full-ScreenShortcutsPlay/Pause• Click Play to start playing the clip. The playbackautomatically plays only the sections of the clip wheremotion has been detected.• Click Pause to stop playing the clip.• Click Full-screen to enlarge the video display to full-screen or reduce it from full-screen back to normal size.• Click Shortcuts to display a list of keyboardshortcuts: