TruVision NVR 22 Series, Руководство пользователя

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Chapter 7: Playback functionality
44 TruVision NVR 22 (SP) User Manual
Playback mode Description
Normal Play back recordings from the selected cameras of the selected
day.
Select the desired cameras, the day to play back, and recording
mode. Playback starts immediately.
You can select all the playback toolbar options.
Event This feature lets you selectively playback a specific event type:
Alarm Input, Motion, VCA Alarm, or Intrusion Alarm. See “Event
playback
” on page 44 for more information.
Bookmark Select the desired cameras and time period to search for
bookmarks and recording mode. Enter the desired keyword to
search for a specific file name, if required. Click Search. The list of
bookmarks appears. Change the pre- and post-play times, if
required.
Click Play for the desired bookmark to play back.
Click the Exit button to exit the playback of the selected bookmark
and do another search, or click the Search icon
to open the
Search window and select the Bookmark tab.
Note : You can only search for a bookmark by file name in the 24-
hour playback mode.
Smart This feature lets you selectively playback the parts of a recording
with VCA and motion events and skip over video that does not have
such events. See “Smart playback” on page 45 for more
information.
Sub-periods This feature lets you see simultaneously the 24-hour playback
recording for a selected camera split over several consecutive time
periods. See “Split-screen playback” on page 47.
Select the desired camera and number of split screens. Playback
starts immediately.
External file Import a file to play back.
Insert the storage device, such as a USB flash drive, in the recorder
and select a video file to play back.
Snapshot Select the desired cameras and the time period. Click Search . The
list of snapshots appears. Click Play to see the desired snapshot.
To search again, click the Search icon to open the Search
window and select the Snapshot tab.
Event playback
This feature lets you selectively playback VCA, alarm input and motion events.
To do an event playback:
1. In playback mode, select Event from the drop-down list on the upper left corner of
the window.
2. If using dual stream recording, select the recording mode: Main Stream or
Substream .