JOAAN DVR is the device on using high-capacity hard disk recording digital audio and video. The hard disk video recording system replaces more traditional reel tape or cassette multitrack system, and provides editing capabilities unavailable recorder. The characteristic function of JOOAN DVR is the embedded functions. The embedded features include six aspects.
1. Monitoring function : real-time, a clear image of a surveillance camera, is the core issue of the monitoring system, most of the embedded HD DVR can be done in real time, a clear image of monitoring;
2, Video function : real-time clear image on monitor ,the effect of recorded playback image is not necessarily good, Basically the key thing of obtaining evidence is result of recorded video, it's more important than real-time monitoring image;
3, Control function : mainly refers to the host computer control omnidirectional camera PTZ and camera lens, which is generally to be completed by a dedicated decoder and keyboard;
4. Network function :JOOAN DVR can control the operation of various surveillance video through a simple identification to the host monitor via LAN or WAN as the equivalent;
5, Alarm function : mainly refers to the detector video input alarm and the image video detection alarm, alarm system will automatically open the video function, and open the appropriate lighting, alarm and network alarm output signal;of the local operation;
6, Working schedule: JOOAN DVR can make a working programming of a certain time period of HD DVR, which is the unique features of digital host, it can arrange the holidays, change of timetable to the working programming, you can feel the unattended sense;
After understanding of embedded DVR functions, we should also understand their environment and requirements, in order to prevent unnecessary damage.
Please place and use of the JOOAN DVR at a temperature of 0 ℃ ~ 40 ℃, avoid direct sunlight, or near a heat source; keep the level of installation of this product, installed in a stable place, avoid falling; please install in a well-ventilated place, do not block the vents of the product; can be used only within the rated input and output range.
Do not mount the device in a wet environment; do not expose this device in smoky, dusty environment and avoid strong collision, Do not drop the machine.
Do not place heavy objects on the device; Before periodically making the body clean with a brush on the circuit board, connectors, chassis fans, chassis, dust, etc, please turn off and unplug the power; do not let any solid or liquid to penetrate inside the device; do not make this equipment disassembly, repair, or replacement parts by yourself.