
Introduction
Figure
Typical DVR Installation
MonitorMonitor
Sensors
Audio input
Audio output
Spot | VGA |
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| Alarm |
| output |
Digital Video Recorder | Flashing |
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ATM/POS
USB backup device
Technical Overview
Your DVR can replace both a
The 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 allows you to view recorded video while the DVR continues recording.
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
Rev 3.01 | 2 | Document 900.0315 |
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| 10/05 |