Snapshot - Dahua NVR4108-P User Manual

Reference bit
rate
I Frame
Watermark
enable

5.8.1.3.2 Snapshot

The snapshot interface is shown as in Figure 5-22.
Please refer to the following sheet for detailed information.
Parameter
Snapshot type
Image size
Quality
Interval
Copy
VBR mode.
Recommended bit rate value according to the resolution and
frame rate you have set.
Here you can set the P frame amount between two I frames. The
value ranges from 1 to 150. Default value is 50.
Recommended value is frame rate *2.
This function allows you to verify the video is tampered or not.
Here you can select watermark bit stream, watermark mode and
watermark character. Default character is DigitalCCTV. The max
length is 85-digit. The character can only include number,
character and underline.
Figure 5-22
Function
There are two modes: Regular (schedule) and Trigger.

Regular snapshot is valid during the specified period you
set.

Trigger snapshot only is valid when motion detect alarm,
alarm or local activation alarm occurs.
tampering
It is the same with the resolution of the main stream.
It is to set the image quality. There are six levels.
It is to set snapshot frequency. The value ranges from 1s to 7s.
Or you can set customized value. The max setup is
3600s/picture.
Click it; you can copy current channel setup to other channel(s).
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