© Copyright Qvis® All documentation rights reserved. 11 FEATURES AND SPECIFICATIONS1.1 OverviewThis series product is an excellent digital monitor product designed for security field. It adoptsembedded Linux OS to maintain reliable operation. Popular H.264 compression algorithm andG.711 audio compression technology realize high quality, low bit stream. Unique frame by frameplay function is suitable for detail analysis. It has various functions such as record, playback,monitor at the same time and can guarantee audio video synchronization. This series producthas advanced technology and strong network data transmission function.This series device adopts embedded design to achieve high security and reliability. It can work inthe 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 FeaturesThis series product has the following features: Real-time monitor: It has analog output port, VGA port and HDMI port. You can usemonitor or displayer to realize surveillance function. System supports TV/VGA/HDMI outputat the same time. Storage function: Special data format to guarantee data security and can avoid viciousdata modification. Compression format: Support multiple-channel audio and video. An independent hardwaredecodes the audio and video signal from each channel to maintain video and audiosynchronization. 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 atthe 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 andframe by frame play.Support time title overlay so that you can view event accurate occurredtime Support specified zone enlargement. Network operation: Support network remote real-time monitor, remote record search andremote PTZ control.