American Dynamics Hybrid Digital Video Recorder, Руководство пользователя

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Hybrid Digital Video Recorder
The Used Space display lets you know how much of the hard drive capacity you are currently using.
Any hard drive issues will be displayed in the Status field. Also displayed is a field which indicates the
age of the oldest video recorded on this system.
The actual amount of motion and complexity in the images from your cameras may not be accurately
reflected in the estimate. In the illustrations, the oldest video stored was recorded 17 days ago and the
drive is 98% full. Thus, if video needed to be stored for 30 days, the drive would not be large enough.
However, an additional hard drive could be added to expand the storage capacity, or the quality of the
video could be adjusted to conserve space. (See
Camera Recording Setup and Camera Setup )
Expiration Configuration allows you to set minimum or maximum time periods for video from each
camera to be stored. For example, you could configure one camera’s video to be stored for at least 30
days before it is deleted, and another camera’s to be deleted after no more than 7 days.
To configure video expiration, select a camera name in the list on the left and click Add>>. (You can
select multiple cameras by pressing the Ctrl or Shift buttons.) Then select the camera name in the list
on the right. You can configure two types of expiration:
To delete video after a certain amount of time, select At Most from the Type drop-down list and use the
arrows to select the maximum number of days the video should be stored.
To save video for a minimum amount of time, select At Least from the Type drop-down list and use the
arrows to select the minimum number of days the video should be stored.
Repeat for each camera that requires expiration rules. To remove expiration rules, select one or more
camera names in the list on the right and click <<Remove.
Because the system normally retains recorded video from all cameras for as long as possible (that
is, it deletes the oldest video only when required to create room for newly recorded video), it is
recommended that you use the Expiration Configuration feature only when necessary, such as
when video must be deleted after a specific maximum time period as required by law.
IMPORTANT NOTE
When using the feature, the Days of Recorded Video indicator should be higher than the greatest
number of minimum days configured for a camera in the Expiration Configuration area. For example, if
you configure a camera’s video to be stored for at least 30 days, the Days of Recorded Video indicator
should be at least 30 (assuming the system has been recording video for at least 30 days). If the Days