DIGITALas MDVR-4F3AHD mini Technical manual
MDVR-4F3AHD mini (LAN/WiFi/GPS)
MDVR-4F3AHD mini
Instructions for the use of vehicle
video recorders
车载录像机使用说明书
Thank you for using this product. The appearance or function is different
from this manual due to the differences between different models or product
upgrades. Please refer to the physical object or contact the manufacturer.
The contents of this manual will be updated irregularly. Without prior notice!
MDVR-4F3AHD mini (LAN/WiFi/GPS)
Declarations
This manual is suitable for 4/8 road high definition series DVR products, may not be accurate in some technical details, if
you have physical objects in use with this manual inconsistent. The contents of this manual will be updated without prior notice.
One Warning
1、installation environment
In order to extend the service life of the equipment, please install the equipment in the parts where the vibration of the
vehicle is weaker as far as possible;；
In order to ensure the normal heat dissipation of the equipment, it is necessary to avoid the poorly ventilated position (such as
the trunk of the vehicle) and keep a distance of about 15cm from other objects in the same plane of the equipment.；
This machine should be installed horizontally. When installing the equipment, please pay attention to waterproof, damp proof
and lightning protection, and keep the equipment still to prevent the falling and damage of the equipment
To ensure safe use of the equipment, this machine, camera, wire and other accessories should be placed in places where passengers
and drivers are not in contact.
2、Avoid electric shocks and fires
This machine uses 8V-36V DC power supply, please pay attention to the positive and negative electrode when wiring, avoid
short circuit；
When connecting to other peripherals, turn off the local power supply；
Remember not to touch power and equipment with wet hands；
Do not splash liquid on the equipment so as not to cause short circuit or fire inside the machine ；
Do not place other equipment directly on the top of the camera；
Non-professional personnel do not take apart the case to avoid damage and electric shock；
3、Transportation and handling
In order to ensure that the equipment is not accidentally damaged in the course of transportation, when handling or
transporting equipment, please pay attention to light handling, preferably using the original packaging materials and cartons;
It is strictly forbidden to move the machine or replace the component, otherwise the equipment will be damaged.；
MDVR-4F3AHD mini (LAN/WiFi/GPS)
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Introduction
1.Product Overview
The VCR is a dedicated HDD VCR that supports 4/8 channels 1080P / 960P / 720P / D1 mode audio and
video recording and playback at the same time. The product adopts ARM DSPS dual-core high-speed processor,
embedded Linux embedded operating system, and combines with the most advanced H.264 video coding and
decoding in IT field. 3G / 4G network GPS positioning WiFi technology, including power failure protection
technology, hard disk shock absorption technology, hard disk heating technology, car wide voltage design in one,
can be widely used in buses, logistics vehicles. School bus, police car, Kim. Transport vehicles, fuel trucks and
other vehicle monitoring.。
product features ：
Support H.264 Image Compression coding 4: 120 FPS @ 1080P pal 8: 15fps1080P PAL
Can support 4/8 channels 1080P / 960P / 720P / D1 mode audio and video simultaneously video and
playback. Maximum support 4 / 8 1080P AHD/720P AHD / 960H channel analog audio and video
simultaneous recording
The aviation head video interface is adopted, the reliability is high and the seismic effect is strong.
Built-in 3G / 4G network / GPS / WiFi module (optional 5.8GHz dual-antenna WiFix for high-definition
video download, fast)
Using UPS patent protection technology, it can still work 3 ~ 8 seconds when the external power supply is
cut, to prevent the video file from accidental damage (customization).
SD card machine support 2 built-in SD card, maximum support 128G capacity。
Hard drive machine can be built in 2.5 inches hard disk, the maximum support for 2 terabytes of
professional hard disk。
Good expansibility, with 1 RS485 interface (optional, 1 RS232 interface)
8V-36V wide voltage DC power supply, supporting 12V output power supply
Support hard disk heating technology, can work at -40 ℃ -70 ℃
MDVR-4F3AHD mini (LAN/WiFi/GPS)
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2.Products Specifications
project
parameter
SD truck loader
ＨＤＤ truck loader
system
language
Chinese / English / traditional (default voice), other customizable
interface
Graphical menu operation interface
pin security
User password, administrator password two-level management (default password:
111111)
video
video in
A:Support 4 road
CIF/HD1/D1/960H/
720P AHD/1080P AHD camera
simultaneously recording and
playback
A:Support 4 / 8Simultaneous recording and
playback of IF/HD1/D1/960H/720P/1080P
AHD camera
video out
3-channel video output (1 φ 3.5 Phone Jack, 1 VGA high-definition output in
30PIN connection head)
video display
Support 1 / 4 screen display (self
selected preview mode)
Support 1 / 9 screen display (self-selected
preview mode）
AVS
PAL system、NTSC system
image
compression
H.264 Main profile, PAL:120 frame
1080P/ sec, NTSC:120 frame
1080P/ sec
H.264 Main profile, PAL:120 frame 1080P/
sec, NTSC:120 frame 1080P/ sec
audio
AUDIO IN
4 AUDIO IN
4/8 AUDIO IN
audio out
1 channel audio output (1 of which 3.5 Phone Jack,)
Open Reel
Simultaneous recording of sound and video
image
storage
Image Format
CIF/HD1/D1/960H/720P/1080P
optional
CIF/HD1/D1/960H/720P/1080P optional
Video stream
standard
ISO14496-10
Video
K／bps
CIF: 1536Kbps ~ 128Kbps
HD1/D1: 2048Kbps ~ 400Kbps
960H: 2048Kbps ~ 400Kbps
720P: 4096Kbps ~ 400Kbps
1080P:2048Kbps ~ 8192Kbps
8 grade painting is optional, 1 is the highest quality, and the 8 is the lowest.
audioK／bps
40Kbps
memory
Maximum 128G Capacity SD card
Maximum support for 2T hard disk /SSD
alarm
alarm IN
4 alarm input can be configured below 1V low level alarm or above 5V high level
alarm
Alarm out
1 alarm output, output high level 12V
CI
RS485
Support 1 RS485 interfaces
RS232
Support 1 RS232 interfaces
RJ45
1 can be connected to the wired network
USB
USB for software upgrading and video
USB for software upgrading and video
MDVR-4F3AHD mini (LAN/WiFi/GPS)
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wireless
3G
Built-in 3G communication module
(HSUPA/HSDPA/WCDMA/EVDO/TD-SCDMA) optional
4G
Built-in 4G communication module (FDD-LTE/TDD-LTE) optional
WiFi
Built in WiFi module (optional 2.4/5.8GHz)
GPS
Support built-in GPS module, geographic coordinates, speed and so on can be written code stream,
and can be wireless Uploaded
sensor
Built-in acceleration sensor G-Sensor (selection)
bundled
software
PC playback
Replay video files at the PC side and analyze the vehicle information in the file
CMS management
The functions of video preview, GPS uploading, alarm uploading, central
command dispatch, parameter configuration and so on are realized through
wireless network
upgrade
This machine supports the SD card /USB
interface and the remote CMS platform upgrade
This machine supports the SD card /USB
interface and the remote CMS platform upgrade
Electrical parameters of product：
Power input
+8～+36V
8V ~ 36V before use, please make sure the car battery power supply
voltage; over 36V for a long time, will burn the machine
Power out
12V
12V（+/-0.2V），Maximum current:2A
ACC detection
≤5V
Shutdown
≥5V
Boot
Video input
impedance
75Ω
Each video input impedance：75Ω
Video output
voltage
2Vp-p
2VP-P CVBS outputs analog signals, and the display device input
requires 75 Omega impedance to adapt to it。
I / O
1V
Low level alarm
5V
High level alarm
working
temperature
-40℃～60℃
In a well ventilated environment
Whole machine
size
147*147*41mm
147*167*59mm
3.Host introduction
Hard disk status indicator
SD Card status indicator
MDVR-4F3AHD mini (LAN/WiFi/GPS)
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3.1 SD card and hard disk LED indicator light and state description
【PWR】The power input status indicator. The light indicates that the power supply of the system is
working normally.；
【SD】SD card working light. The light often shows that the SD card works well. The SD card slot is
used to record video data, configuration files update and upgrade.。
【ALM】A warning light, when the system has an alarm, the light is bright and the light is out when
there is no alarm.
【VLOSS】When there is any way of video loss, this light is on
【GPS】The light is lit when the GPS signal is located, and the light is destroyed when the location is
not located or the location fails.；
【REC】Video work indicator. The LED light indicates that the current is being videotaped。
【LOCK】Control device switch machine, boot the lock and SD card or hard disk, anti plug；
【SIM】3G/4G phone card slot;
【USB】Is used to copy videos or upgrade.。
【AV 】Pre video output port;；
【IR】Remote control input for receiving a remote control signal。
3.2 The definition of the rear panel
SD card and hard disk backboard state Back plate state of 8 way hard disk
【DC8-36V】The power interface, the red line is connected to the power source of the vehicle; the
black line is connected with the negative pole of the power supply and the yellow line is the ACC
MDVR-4F3AHD mini (LAN/WiFi/GPS)
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signal line. When you need to set a timing video or a ignition video, the ACC line is connected to the
car
【NET】RJ45 network interface;
【I/O】10PIN interface: contains 4 way alarm input, 1 road output, 1 road GND, 1 road RS232 (TX,
RX), 1 road RS485.
【AV IN 1~4/5-8】Four channel audio and video input interface；
【3G/4G】3G/4G Antenna interface；
【WIFI】WIFI Antenna interface；
【GPS】GPS Antenna interface。
【IR】3.5MM infrared telecontrol extension line；
3.3 Audio and video interface
Definition of host aircraft head interface：
Definition of the aerial head interface of the camera:：
MDVR-4F3AHD mini (LAN/WiFi/GPS)
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3.4Main keys of remote control
Equipment and installation
Step1 ：GPS, 3G/4G and WiFi antennas are installed. The GPS, 3G/4G and WiFi antennas shown below are
connected to the corresponding positions of the rear panel of the MDVR, and a reasonable wiring is made, so
that the signal is not subject to external interference.。
MDVR-4F3AHD mini (LAN/WiFi/GPS)
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GPS 3G/4G WIFI
Step2：Power line
A:Switch mode is set to "ignition" power connection mode：
When the system management, power management, boot mode, the switch is set to "fire", the white 6PIN
plug connection to the rear panel of the MDVR 6PIN power input interface cable, red and black is directly
connected to the car battery or level out after received total electric insurance after the red line connected to the
positive and negative black ground. The yellow line is connected to the ACC switch of vehicle ignition line, that
is, the gear switch before starting the motor. When the key is opened, the device will start automatically, and if
the vehicle key is closed, it will shut automatically.
B: switch mode is set to "timing" or product test, power connection mode。
When the system management, power management, boot mode, the switch is set to "time" or when the
device is used in non vehicular environment (such as bus stations, logistics station monitoring system) or
product testing, the red and yellow line twist into a power supply cathode, black separate grounding negative。
This end connects the
MDVR rear panel power
interface -557 connector
Prior to connection, the voltage is confirmed
to be 8V-36V, and if it exceeds this range, it
may cause damage to the equipment
MDVR-4F3AHD mini (LAN/WiFi/GPS)
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The MDVR power line suggests direct connection to the positive and negative pole
of the vehicle battery, or the battery is connected to the positive and negative
pole after the safety box is connected. No connection to the metal conductor inside
the car as the ground, otherwise it will produce negative pulse interference normal
operation of the host, the positive and negative power supply wire diameter must
be more than 1.5mm. The installation host installed the equipment level to the
suitable position in the car according to the size of the hole position.
Step3：Alarm input and output line
A：Overspeed alarm connection
A:If the vehicle chooses the speed of GPS acquisition and requires the GPS signal to be normal, only the
relevant settings in the system menu, alarm settings and speed settings can realize the alarm function。
B:If the speed is chosen from the vehicle, the speed pulse sensor must be connected to the speed alarm. The
pulse sensor receives two lines of SPEED-A and SPEED-B on the port of our device. The connection schematic
diagram is as follows：
B：Alarm output connection
This machine provides 1 way alarm output, and uses the level output 200MA current to drive the external
alarm equipment. If you want to drive a more powerful device, you must connect the external relay, and refer to
the diagram as follows。
24V
MDVR Alarm out
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