DVR systems DVR31xxH Series - Manual (Page 10)

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1 FEATURES AND SPECIFICATIONS
1.1 Overview
This series product is an excellent digital monitor product. It adopts embedded Linux OS to
maintain reliable operation. Popular H.264 compression algorithm and G.711 audio compression
technology realize high quality, low bit stream. Unique frame by frame play function is suitable for
detailed analysis. It has various functions such as record, playback, monitor at the same time
and can guarantee audio video synchronization. This series product has advanced technology
and strong network data transmission function.
This series device adopts embedded design to achieve high security and reliability. It can work in
the local end, and at the same time, when connecting it to the professional surveillance software
(PSS), it can connect to security network to realize strong network and remote monitor function.
This series product can be widely used in various areas such as banking, telecommunication,
electric power, interrogation, transportation, intelligent resident zone, factory, warehouse,
resources, and water conservancy.
1.2 Features
This series product has the following features:
 Real-time monitor
It has analog output port, VGA port and HDMI port. You can use monitor or displayer to realize
surveillance function.
System supports TV/VGA/HDMI output at the same time.
 Storage function
Special data format to guarantee data security and can avoid vicious data modification.
 Compression format
Support multiple-channel audio and video. An independent hardware decodes the audio and
video signal from each channel to maintain video and audio synchronization.
 Backup function
Support backup operation via USB port (such as flash disk, portable HDD, burner)
Client-end user can download the file to local HDD to backup via network.
 Record playback function
Support each channel real-time record independently, and at the same time it can support search,
forward play, network monitor, record search, download and etc.
Support various playback modes: slow play, fast play, backward play and frame by frame play.
Support time title overlay so that you can view event accurate occurred time
Support specified zone enlargement.
 Network operation