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Introduction
Figure | Typical DVR installation | |
| VGA Monitor | Main Monitor |
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Cameras x4 |
| Sensors x4 |
Audio Input |
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Audio Output |
| Alarm Outputs | Flashing Light |
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Digital Video Recorder | x2 |
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| Siren |
Flash Drive | IR Remote | RASplus |
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Control |
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ATM/POS |
| Network |
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Technical Overview
In addition to replacing both a
This DVR converts analog NTSC or PAL video to digital images and records them on a hard disk drive. Using a hard disk drive allows you to access recorded video almost instantaneously; there is no need to rewind tape. The technology also allows you to view recorded video while the DVR continues recording video.
Digitally recorded video has several advantages over analog video recorded on tape. There is no need to adjust tracking. You can freeze frames, fast forward, fast reverse, slow forward, and slow reverse without image streaking or tearing. Digital video can be indexed by time or events, and you can instantly view video after selecting the time or event.
Your DVR can be set up for event or
The DVR can be set to alert you when the hard disk drive is full, or it can be set to record over the oldest video once the disk is full.
Your DVR uses a proprietary encryption scheme making it nearly impossible to alter video.
You can view live video, search for images, and control your DVR remotely by connecting via external modem or Ethernet. There is a USB port you can use to upgrade the system or copy video clips to
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