Dahua Technology XVR Cooper Series, Руководство пользователя

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Local Configurations 108
Figure 5-71
Configure the settings for the snapshot parameters. See Table 5-25. Step 2
Parameter Description
Manual Snap
In the Manual Snap list, select how many snapshots you want to take
each time.
Channel
In the Channel list, select the channel that you want to configure the
settings for.
Mode
In the Mode list, you can select General , Event , or Human Face as
the event type for which you want to take a snapshot.
General : The snapshot is taken during the scheduled period.

Event : The snapshot is taken when there is an alarm event 
occurs, such as motion detection event, video loss, and local
alarms.
Human Face: The snapshot is taken when the face is detected.

The face detection function is support only with the Channel 1.
Image Size
In the Image Size list, select a value for the image. The bigger the
value is, the better the image will become.
Image Quality
Configures the image quality by 6 levels. The higher the level, the
better the image will become.
Interval
Configures or customizes the snapshot frequency. You can select 1
second per one snapshot to 7 seconds per one snapshot. The
maximum is 3600 seconds per one snapshot.
Table 5-25
Click Apply to complete the settings. Step 3