User manual

Shenzhen Hyking Industrial Co., Ltd HK-DVR User Manual
then add 1. While the video playback, in the seconds of interval of key frame/total frame per
second, the video image will appear a light shake. This case can be revised while increase the
interval value of key frame.
2. Total frame per second: the value of frame can be adjusted between 1 to 25 frames per second.
The quality of real time record will increase with more frames you set per second. While transmit
the frame through network, the frame should be adjusted to a proper value in order to adapt the
different communication bandwidth.
3. Coefficient of Quantification: The parameter of compression that particularly influence the
quality of recorded video. The coefficient includes three adjustable parameters. Usually, the
image quality will reduce by the increasing of the adjustable parameter’s values. The default
value is 15/20/15. The rule of adjust is that the frame I is same as frame P, and frame B is 5
greater than frame I.
Night Reduced Code Stream: At the periods that not strongly require the surveillance, the user can
select a rational period and switch on this option. The system will automatically reduce the code
stream during this period, therefore, the size of video files in the unit time will be reduced, which is as
the one third of the video file that created by the simple setting or advanced setting. The points that
should be explained are:
1. The definition of video image won’t be reduced for playback while the code stream was reduced.
But there are only 5 frames per second. The value “5 frames” is the suitable choice that has been
through the tested strictly. This value balances the reduced code stream and the video image
quality of playback. If the user requires the recorded video image has the high quality of real time,
please shutdown this option.
2. “From:” and “To:” The selected period of time is set as 24 hours time system, such as <
“18:00:00” “to: 23:00:00”> and< “18:00:00” “to: 17:00:00”>. The two settings are both available.
With the first setting the recording with lower code stream can keep in 5 hours, and in the second
setting the recording with lower code stream can keep in 23 hours. Please refer to the examples
above.
Other Options:
1. Record voice simultaneously: To select this option means that record the audio and video signal
simultaneously, otherwise record the video image only.
2. Display the name and time on video file: Select this option to overlap some information on the
preview screen and video image, such as the time while recording and the name of channel, etc.
3. Transparent process: which is indicating the transparent level of the name and time that displayed
on the video files.
4. (Minutes) the time length for packs all channels’ video files: Set the time for pack the video file.
The minimum time is 2 minuets, and the maximum is 10 hours. Usually, it is recommended that
pack the video file every 30 minutes or 1 hour.
5. Default value: it is needed to mention the user that if the camera connected to a channel is PAL
mode, then the default frame number is 25 frames per second, the NTSC mode is 30 frames per
second. The system will automatically detect the camera mode without intervention of the user.
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