392
The resolution here refers to the capability of the network
camera.
PAL：1～25f/s；NTSC：1～30f/s.
Main stream: You can set bit rate here to change video
quality. The large the bit rate is, the better the quality is.
Please refer to recommend bit rate for the detailed
information.
Extra stream: In CBR, the bit rate here is the max value.
In dynamic video, system needs to low frame rate or
video quality to guarantee the value. The value is null in
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.
Check the box to enable audio function.
The audio of the main stream is enabled by default. When this
function is enabled, the record file has audio/video composite
stream. For the sub stream, please check the video first and
then enable audio.
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.
5.10.1.3.2 Snapshot
The snapshot interface is shown as in Figure 5-28.
Figure 5-28
Please refer to the following sheet for detailed information.
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,
tampering alarm or local activation alarm occurs.
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