User`s manual

DR3 User’s Manual
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1. Introduction
1.1 Introduction of DR3
The DR3 is a dedicated battery powered Digital Video Recorder designed for portable,
mobile Video and Audio Recording applications. The DR3 hardware system uses
ARM9 processor and advanced hardware MPEG-4/2 video encoder, CF slot, charging
circuit, vibration/alarm circuit, video capture, Multi-Connect camera/microphone
interface and MCU designed on board. The MCU is used to process remote control,
push buttons, power management, LANC and alarm. CF slot can support CF with
FAT32 files system. Recorded video on CF card can be replayed on a PC instantly.
The OS of DR3 is Linux. It handles multiple tasks in real time, for example; driver,
recording, AV synchronization, file management and external events etc.
The common Compact Flash card is used as a storage medium. The CF card is a solid
storage media with the best anti-shock capability available today. It is also low powered
and provides fast speed with multiple diversity options. It is very good choice for
mobile DVR applications.
DR3 offers two encoding formats, MPEG-2 for DVD and MPEG4 for archive and
streaming video.
1.2 MPEG-2
MPEG-2 is a standard for generic coding of video and audio. It is widely used in
consumer electronics, such as DVD video disc, DVD player, DVB television
broadcasting etc. The DR3 can record in MPEG-2 format which can be edited by any
video editing software or replayed by DVD player.
1.3 MPEG-4
MPEG-4 is the awesome new generation video standard with better video quality and
higher compression rate. For exceptional disc space saving, MPEG-4 is capable of
creating highly compressed video archives on a regular CD-ROM with almost the same
quality of DVD. One popular MPEG-4 format is DivX. It is the only technology that
enables streaming of video on the internet possible. Now, many DVD players can play
DivX files directly.
1.4 Features
 Battery powered for portable, mobile DVR applications