Dahua NVR1A-4P Series - Page 89

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Figure 4-44
4.2.5.3 Snapshot
Here you can set snapshot mode, picture size, quality and frequency. See Figure 4-45.
 Snapshot mode: There are two modes: Timing and Trigger. If you set timing mode, you need to set
snapshot frequency. If you set trigger snapshot, you need to set snapshot activation operation.
 Image size: Here you can set snapshot picture size.
 Image quality: Here you can set snapshot quality. The value ranges from 1 to 6.
 Snapshot frequency: It is to set snapshot interval at timing mode.