User Manual

4
1 Specifications
This device is specially designed high price-quality ratio product for the car mobile video
monitoring，It adopts embedded processor and embedded Linux operating system, combines the
latest technologies in the IT filed such as H.264 audio and video compression/decompression
technologies. Its structure adopts special anti-vibration technology. The product has good shock
resistance, heat resistance and stability; it can be widely applied to various types of vehicles.
Datasheet：
Item
Parameters
Performance
System
Operating
language
Simplified/English/Traditional
Operator
interface
GUI, support mouse
Safety
management
User password, Admin password in two layer management
system
Video
Input
4 channel composite video input
Output
1 way VGA/1 AV synchronous video output, 1.0Vp-p, 75, support
for full screen and 4 way split /9 split
Display
Single picture、4 8pictures
Video standard
PAL\NTSC
Compression
H.264 Main profile，compress source : 75 frame D1/S（300 frame
CIF/S）
Audio
Input
4 channel audio input
Output
1 channel audio output
Recording
mode
Video and audio synchronously recording
Recording &
playback
Picture format
AHD720p/960H/D1/HD1/CIF Optional
Video bit stream
standard
ISO14496-10
Video bit rate
CIF: 384Kbps（L）、512Kbps（M）、768Kbps（H）
HD1: 512Kbps（L）、768Kbps（M）、1024Kbps（H）
D1: 512Kbps（L）、768Kbps（M）、1024Kbps（H）
720P：800Kbps - 4Mbps
Audio bit rate
8KB/s
Data storage
Support 256GB SD card
Alarm
Alarm in
4 alarm in，<4V for low level alarm，>4V for high level alarm
Alarm out
1 alarm out，output level 12V
Port
RS485 port
1 RS485 port
RS232 port
1 RS232 port