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HRSD40F DVR User Guide
Figure 1-1
Typical DVR installation
Technical Overview
In addition to replacing both a time-lapse VCR and a multiplexer in a security
installation, your DVR has many features that make it much more powerful and easier
to use than even the most advanced VCR.
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 time-lapse recording. You can define times to
record, and the schedule can change for different days of the week and for user-defined
holidays.
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 when the disk is full.
Your DVR uses a proprietary encryption scheme making it nearly impossible to alter
video.
You can view video and control your DVR remotely by connecting via Ethernet. There
is a USB port you can use to upgrade the system or copy video clips to external hard
disk, CD-RW drives, or flash drives.
Audio Input x4
Audio Output
ATM/POS
Cameras x4
VGA Monitor Main Monitor (BNC)
Sensors x4
Alarm Output
Siren
RASPlus
Web Guard
IR Remote
Control
Network
Flash Drive
Digital Video Recorder
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