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Acronym for Naonal Television System Commiee. NTSC is an analog television standard used
in such countries as the United States and Japan. Each frame of an NTSC signal contains 525
scan lines at 60Hz.
NVR
Acronym for Network Video Recorder. An NVR can be a PC-based or embedded system used for
centralized management and storage for IP cameras, IP Domes and other DVRs.
PAL
Acronym for Phase Alternang Line. PAL is also another video standard used in broadcast
televisions systems in large parts of the world. PAL signal contains 625 scan lines at 50Hz.
PTZ
Acronym for Pan, Tilt, Zoom. PTZ cameras are motor driven systems that allow the camera to
pan le and right, lt up and down and zoom in and out.
USB
Acronym for Universal Serial Bus. USB is a plug-and-play serial bus standard to interface devices
to a host computer.
13.3 Communicaon Matrix
Please scan the QR code below to view the communicaon matrix document.
Figure 13-1 Communicaon Matrix
13.4 Device Command
Please scan the QR code below to view the device command document.
Digital Video Recorder User Manual
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