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Chapter 1
DIGITAL VIDEO RECORDER INTRODUCTION
Thank you for your purchasing the Digital Video Recorder (DVR) developed by our company!
This product has already obtained CE, FCC, BSMI Class A Certifications.
Our company has developed 4-, 8-, 12-, 16-CH DVR system, DVR central monitoring system
and various storage devices, aimed at various security surveillance applications. The entire
series of products utilizes the most advanced digital technology and provides a broad range
of functions, in order to completely satisfy your DVR application requirements.
Our DVR system has built-in digital compression technology for recording and streaming
video. Generally speaking, a CCD camera can deliver clear, crisp images at about 30 fps
(NTSC — National Television Standards Committee — US Television Standard) (25fps for
PAL—Phase Alternating Line — European Television Standard) — real continuous motion
requires 24 fps (frames per second, standing for the number of the images delivered in one
second.) The high-performance processor and quick I/O connection not only provide you with
the capability to monitor the camera in real-time mode, but also utilize the extra processing
power to allow for a high frame rate for recording and remote monitoring via I.E. browser, so
that there will be a minimal loss of video frames. Users can determine the actual frame rate
required for recording and remote monitoring according to the amount of allocated disk space
and the bandwidth available.
For maximum expandability, the system provides a Network Card, allowing customers to
connect a computer system to monitor remotely through the network. A built-in 3½" floppy
disk drive (FDD) may be used for outputting video documents, and other optional items
include memory, storage/backup devices, and alarm functions. Customers can choose to
purchase expandable modules according to actual needs.
This User's Guide describes all features of the Digital Video Recorder in an easy-to-read yet
thorough manner. The primary goals of this chapter are to identify the main components of
the Digital Video Recorder and to provide a quick reference of the DVR functions for
experienced DVR users.
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