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1. Select the new archive.
2. Select the check box that corresponds to the camera for which you want to configure archive recording (1).
   
3. Configure settings for archive recording.
   1. In the Constant recording list, select the archive recording mode (2). 
      If No is selected, the video stream will be recorded to the archive only when an operator manually initiates an alarm or an automatic rule is initiated.
      If Always is selected, video will be recorded to the archive non-stop.
      If a time schedule is selected (see Configuring schedules), video will be recorded non-stop to the archive during the selected time period. Recording to the archive can also be initiated by the operator or an automatic rule.

   2. In the Retention, days field, set the retention time value for the given camera (in days). 

      Info
      title Note
      If the history value is set at 0, all recorded video is available for playback.

      
      

      Note
      title Attention!
      Further, if you are increasing the Archive retention time (0 — stands for unlimited time), this setting is applied for new records only. Earlier records falling outside the initial retention time become inaccessible.

      
      

   3. In the Pre-alarm recording time field (4), enter the buffering time of the video stream from the camera in seconds. This value should be in the range [0, 30].

      Info
      title Note
      Pre-alarm recording is the period of pre-event recording that will be added to the beginning of an alarm event recording

      
      

      Note
      title Attention!
      If a macro starts recording, the pre-alarm recording time may be longer, according to your settings (see Record to archive).

      
      

   4. To reduce the frame rate of the video that is written to the archive, select the maximum frame rate from the Maximum fps list or manually enter a value in the field. Otherwise, set this value to No (5). If the frame rate of the video stream coming in from a video camera is less than the indicated value, the recording will be made at the original and not the maximum rateIf you want to record pruned, decimated video, choose By keyframes from Gapping, fps.  This applies to all video streams except MJPEG. With  MJPEG codec, please use the explicit value of frame rate. Video pruning by frame dropping reduces the size of recorded video and saves storage, but video with skipped frames feels like the movement is delayed, and motion feels more choppy.

      Note
      title Attention!
      If When you prune / downsample MPEG4 or  H.264 video (interframe compression codes), only the keyframes are retained. This leads to a significant drop of fps (down to 2-3). In such cases, we recommended that you use  MJPEG. by frame dropping, in all video streams except MJPEG , only I-fames (Intra-Coded Frame or Key Frames) are saved. Different codecs feature various compression levels with key frames rates going down from 3 to under 1 I-frames per second. MJPEG video contains only I‑frames (Intra-coded pictures with a complete image), so it makes sense  to set a desired frame rate here.Image Removed

      
      

   5. Select a stream for archive recording (6).

      Info
      title Note
      This setting is relevant for cameras that support multistreaming.

      
      

4. Click the Apply button.

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