TechVision PDVR-S4L15, Manual

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Record & Disk Management DVR User Manual
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will be taken up.
Bitrate Type : CBR and VBR are optional. CBR means that no matter how much change is seen
in the video scene, the compression bitrate will be kept constant. VBR means that the
compression bitrate will be adjusted according scene changes. For example, for scenes that do
not have much movement, the bitrate will be kept at a lower value. This will help to optimize
the network bandwidth.
Quality : When VBR is selected, you need to choose image quality. The higher the image
quality you choose, the more bitrate will be required.
Max Bitrate : 32Kbps ~10240Kbps are optional.

Manual Mode
If the manual mode is selected, you need to set the encode parameters and record schedules of
each camera. See 7.2 Encode Parameters Setting and 7.3 Schedule Setting for details.
7.1.2 Advanced Configuration
Click Start

Settings

Record

Advanced to go to the following interface. Enable or disable
cycle record (cycle record: the earliest record data will be replaced by the latest when the disks
are full). Set the stream, pre-alarm record time, post-alarm record time and expiration time of
each camera and then click “Apply” to save the settings.
Pre-alarm Record Time : set the time to record before the actual recording begins.
Post-alarm Record Time : set the time to record after the actual recording is finished.
Expiration Time : set the expiration time for recorded video. If the set date is overdue, the
recorded data will be deleted automatically.
7.2 Encode Parameters Setting
Click Start

Settings

Record

Encode Parameters to go to the interface as shown below. Set
the encode, resolution, FPS, bitrate type, quality, max bitrate and audio of main stream for each