Dahua NVR100 series User Manual page 227

4.2.5.3 Snapshot
Here you can set snapshot mode, picture size, quality and frequency. See Figure 4-54.
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Snapshot mode: There are two modes: regular and trigger. If you set regular mode, you need to set
snapshot frequency. If you set trigger snapshot, you need to set snapshot activation operation.
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Image size: Here you can set snapshot picture size.
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Image quality: Here you can set snapshot quality. The value ranges from 1 to 6.
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Interval: It is for you to set timing (schedule) snapshot interval.
Figure 4-53
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