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1. Introduction
1.1 Overview
The DVR, model SLD240, is a storage media of digital video images, which uses hard disk drives
instead of VCR tapes to store video. It enables you to enjoy the extreme flexibility of digital image
archiving instead of clumsy tape management, and it is compatible with most multiplexers on the
market. With a wide range of comprehensive features, such as playback picture-by-picture, quick
search by time and event, an Ethernet connection for remote viewing, the upgradeable software of the
system, the expandable capacity of the hard drive, and much more, the DVR makes your applications
far more flexible and effective than ever before. The DVR is going to prove to be the timely substitute
for the Time-lapse VCR.
1.2 Product Features
* Stores video in hard disk drives instead of VCR tapes.
* Maximum of 2 hard disk drive capability. (One removable)
* Hard disk drive hot-swapping capability.
* Pre-alarm image recording.
* Capable of working with various known multiplexers.
* Time-lapse and real-time recording.
* Refresh rate up to 60 FPS.
* Image quality selectable at 4 different levels for recording.
* Event/Timer/Alarm recording mode.
* Quick search by time, alarm, event, and recording list.
* Fast and slow playback of recorded video at various speeds.
* Single-picture playback.
* On-screen setup menu, title, and system timer.
* Password protection.
* Motion detection.
* Disk-full warning and operation status LEDs.
* RS-232 and RS-485 communication ports.
* Remote control via RS-232, RS-485, and Ethernet ports.
* Power interruption recovery.
* Operation-status record log.
* Distribution of live and recorded images through TCP/IP network environment.
* Audio function included.
* Built-in SD card slot for copying images to an SD card.
* Supports DHCP protocol.