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HD Mobile DVR

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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