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-
No Recording
The
system
won’t do any recording.
(3) Enable Audio
Select to assign the audio channel of the selected camera. You can only assign one audio
channel to one camera source. This way you can record both audio and video.
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An Audio I/O card is required to use this function.
(4) Motion Detection
Adjust the sensitivity of the motion detector. The higher the value, the finer the sensitivity is
detected. When it detects a motion, a green triangle mark would appear at the upper left
corner of the screen.
(5) Voice Detection
Adjust the intensity of the audio detector. The system detects sound when it exceeds the
intensity value.
(6) Quality
Adjust the video quality. The higher the value, the lower the compression level and uses more
hard disk space.
(7) Frame Rate
Set the maximum and minimum number of frames to be recorded during motion and
motionless state. The frame rate ranges from 1 to 30 for NTSC and 1 to 25 for PAL. The
higher the frame rate, it uses more hard disk space.
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- For NV6840 card (16 channels), DVR system can records 30 frames in D1
mode when only enable the first 8 channels.
- For NV6420 card (16 channels), DVR system can records 15 frames in D1
mode when only enable the first 8 channels and records 30 frames in D1 mode
when only enable the first 4 channels.
- For NV6420 card (8 channels), DVR system can real time recording in D1
mode for all 8 channels.
- To enable and disable cameras, please go to
Camera
setting.
(8) Video Size
Select the size of the video and click the
~
button. The higher the size, the larger the file it
create. You can also activate the
Enable Deinterlace
to enhance the video quality. Set the
Enable Deinterlace
mode to #1, if you are capturing motionless picture and #2, if it captures
lots of movement.
(9) Video Screen
Display the video of the selected camera.
(10) Mask/Shield Edit
Mask, mark an area on the screen to disregards the motion in the marked area and to only
monitor outside the marked area. As for the Shield, it covers an area on the screen and the
covered area would not be visible on the screen and recorded. (see also
)
(11) Compression Type
Select from 3 compression types. User can refer the table below to check the NV card
supports what type of compression. H264 is the latest and advanced video compression
format that delivers better video quality and smaller file size but this uses more CPU resource.
Advanced MPEG4 and MJPEG, both provide a standard for color picture compression rate.
MPEG4 uses higher compression rate and smaller file size. While MJPEG uses slightly lower
