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8CH MDVR Back Panel items introduction : Audio/Video Interface The 4CH MDVR support channel AV1~ AV4, it’s Video&Audio Input interface use 4 Pin aviation plug, and the 8CH MDVR support channel AV1~ AV8, it’s Video&Audio...
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  • HD Mobile DVR

    Parameter Sheet

    Video Input

    4CH 720P AHD/ 4CH standard definition /2CH high definition+2CH standard definition mixed video input ,aviation plug.

    Video Output

    1CH CVBS+ VGA output for optional, 1.0Vp-p, 75Ω, aviation plug.

    Preview

    Support 1 channel and 4 channels preview.,Support Manual/Alarm Trigger full screen preview

    Resolution

    720P/D1/HD1/CIF, MAX:4 channels of 720P

    Video Quality

    0-7 levels, 0 is the highest level, 7 is the lowest level.

    Video Standard

    720P: 4Mbps-6Mbps, 8 levels video quality optional

    Record Mode

    The default setting is auto recording after power on. Timed recording, alarm trigger recording and manual recording are supported.

    Audio Input

    4CH ,Aviation Plug

    Audio Output

    2CH,Front port is earphone port ,rear port connects to BNC connector.


    Introduction

    8CH MDVR Back Panel items introduction

    Item

    Name

    Silk screen

    Functional Specification

    1

    Video&Audio

    Input interface

    AV1-2

    1,2 Channel Video&Audio Input interface, with DC 12V output

    AV3-4
    3,4 Channel Video&Audio Input interface
    AV5-6
    5,6 Channel Video&Audio Input interface
    AV7-8
    7,8Channel Video&Audio Input interface

    2

    Video&Audio Output interface

    AV OUT

    Video&Audio output interface, with DC 12V output

    3

    3G Antenna Port

    3G

    HD Mobile DVR

    4

    I/O

    SENSOR

    With alarm input&output,serial port etc.A more detailed definition see chapter 2.6.3

    5

    USB Interface

    USB

    It’s used to import or export data or upgrade

    6

    Power Input interface

    POWER

    Input Voltage DC 8-33V,

    Red cable connect power positive,

    Black cable connect power negative;

    Yellow line ACC signal cable.

    7

    GPS Antenna Port




    Audio/Video Interface Definition

    The 4CH MDVR support channel AV1~ AV4, it’s Video&Audio Input interface use 4 Pin aviation plug, and the 8CH MDVR support channel AV1~ AV8, it’s Video&Audio Input interface use 6 Pin aviation plug. Their Video&Audio Output interface arm the same, use 4 Pin aviation plug. The aviation plug can adapt severe environment in the vehicles.


    PIN DESCRIPTION

    2178.png

    4 Pin aviation plug

    6 Pin aviation plug

    PIN

    FUNCTION

    PIN

    FUNCTION

    1

    +12V

    1

    +12V

    2

    GND

    2

    Video Input

    3

    Audio Input/output

    3

    Audio Input

    4

    Video Input/output

    4

    Video Input



    5

    Audio Input



    6

    GND


    Power Input interface pin description

    Pin Configurations

    PIN

    FUNCTION

    2486.png

    1

    Power-

    2Power+
    3ACC
    4NC


    I/O Interface Definition

    I/O Port pin configurations

    1

    3

    5

    7

    9

    11

    13

    15

    2

    4

    6

    8

    10

    12

    14

    16


    PIN DESCRIPTION

    PIN

    FUNCTION

    PIN

    FUNCTION

    1

    RS232-TX

    2

    RS232-RX

    3

    RS485-A

    4

    RS485-B

    5

    Alarm in8

    6

    Alarm in 7

    7

    Alarm in 6

    8

    Alarm in 5

    9

    Alarm in 4

    10

    Alarm in 3

    11

    Alarm in 2

    12

    Alarm in 1

    13

    Alarm out 2

    14

    Alarm out 1

    15

    +12V

    16

    GND


    GPS related FAQ

    Q:  With GPS but no GPS coordinate Information

    A:1)Check if GPS module exist;

    2)Check GPS Antenna connection,suggest install on the outside place with strong signal;

    3)If testing in office, suggest put GPS Antenna out of window;

    4)If working environment not good will related to no GPS Information or wrong information;


    Q: Deviation of GPS Location on Map?

    A:The signal is effective if the GPS module has been positioning, there are so many reasons caused bias, government restriction, permissible error, GPS signal break off, The actual satellite map error occurred for the security, GPS Correction can solve the problem.


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