文档介绍：VEHICLE DVR
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VEHICLE DVR
User Manual
This manual introduces the installation and operation prohanical aseismatic, electronic aseismiatic and software aseismiatic technology. The aseismatic technologies adopted ensure reliable performance of the device.
2) MJPEG adopted ensures high compression ratio and high resolution.
The device supports local real-time / non-real time audio/video record and computer playback (via USB).
Multi-model video-recording functions:
A. Record starts and stops with vehicle.
B. Record starts with vehicle and stops 10-30 minutes after the vehicle is stopped.
C. Start and stop recording according to preset time.
Convenient search function: can be searched by date or time.
Support remote control and inches notebook hard disk.
Apply floated hydraulic pressure aseismatic system for hard disk.
Specially designed long-pin harddisk insertion mode ensures reliable connection.
1,2, or 4 Video input can be selected; 1 video output and 1 audio output
8–36v broad voltage input, 12V, 2A output supply power to video camera or others devices.
Quartered or full screen.
With flexible frame, the device can be hanged up or placed flat.
Protection box prevents the wiring from being damaged.
Convenient output interface can supply 12v DC power to small TV during testing.
Unique concentrated audio/video input interface and wiring realize convenient installation.
VEHICLE DVR
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2. Product Parameter
Parameter
DS-2022
System
Operation System
Embedded Operation System PSOS
Operation Interface
Picture Menu Interface 
Operation Model
Remote Control
Audio-video
Video Input and output
Video Playback formula / standard
PAL〔625 line, 50 / s〕/ NTSC〔525 line, 60 / s〕 
Interface Parameter
Interface model：RCA; Input impedance: 75Ω; Input signal: -p 
Audio Input and Output Interface
RCA
Video Compression Model
MJPEG
Audio codi