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.；

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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 ℃

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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

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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

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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

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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:：

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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.。

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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

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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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Setp3：RS232/RS485 Device access（default 232）
This product provides 1 way RS232 serial port and 1 way RS485 input. Users can choose the equipment needed
for sensors, OBD, interphone and other RS232 serial ports or RS485 communication according to actual needs.
When installing the first external equipment, power line communication line and supporting the shipments of
the 10PIN I/O port line to be good, and then received the vehicle rear panel of the MDVR 10PIN I/O port, the
final installation of external equipment and reasonable wiring to probe.
2. product application solution connection mode
3. This product can be used for video surveillance and remote monitoring, suitable for ordinary or special
vehicles, it is mainly through the video signal collection special car camera in the front, and then through a
special video cable to the MDVR host for video compression and image processing are stored in the hard disk.
The location of vehicle can be located in real time by GPS module, and uploaded to remote server through
3G/4G module. It can support video download on remote client, so as to realize remote real-time monitoring of
vehicle. The following is the actual use of this product model, in the actual use of the process may be based on
the difference between the vehicle and the external equipment.。

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Menu structure diagram
The user controls the vehicle equipment through a series of menu operations. The following figure is a
simple description of the menu structure:
3.1system operation
3.1.1 Login
Reminding: if the password switch is set off, press the LOGIN button to enter the menu interface
After the host is opened, press the LOGIN button on the remote control to enter the login interface, as
follows：

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Password: ordinary user password and administrator password, log in with ordinary user password, can
only enter search and browse, and can't enter settings menu settings parameters. The
administrator password is logon, and the parameters can be set up。
Description: the initial password for the ordinary user is 111111, and the administrator's initial password
is 888888。
Main Menu
The main menu includes: query, system setting, video setting, network setting, alarm and peripherals,
system information.
Note:
1, all submenus settings below must be valid after confirmation, otherwise the settings are invalid.
2、check box - filled said selected a feature, not filled not to select a function.。
3、Enter the menu interface (including video query), and the device stops the video.。
4、Press the number key on the remote control to enter the number directly.。

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3.1 .2 Search Menu.
The query menu includes: video search, log query and picture search
3.1.3 Video search.
Search date: according to the number key input date, the default is the day.。
Start time: by the number key input time, the default is 00:00.
End time: by the number key input time, the default is 23:59
Video type: click [OK] key: all / alarm. The system is default to all。
Storage medium: select the OK key: main disk / mirror disk / standby disk. System default primary disk。
Search: the cursor moves to the search button and press [OK] to enter the search result interface

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Click on the direction key to select the video data to view, press [PTZ] special key to start playing video data,
press [ESC] key to the upper level
Select the video file you want to view and click the OK button to check the video that needs to be backed up
Press the arrow keys to select the "home page", "on page" and "next page", "the end", according to the [OK]
button to display the page information.。
Press the arrow keys to select the "select" and "reverse selection" and "export / backup”
Export: the selected video file can be exported to the plug - in USB device according to the OK button。
Explanation: if there is no video file in the selected time period, the interface prompts, "there is no video
file in this day!"
3.1.4 Log search

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The log management record produces the event information of the switch machine, GPS time and alarm time,
including event date, event time, event name.
Search date: according to the number key input date, the default is the day
Log category: select by [OK] key: all / system log / alarm log / operation log. The system is default。
Start time: according to the number key input time, the default is 00:00。
End time: by the number key input time, the default is 23:59。
Search: log information in the end time range by the OK key。
Press the arrow keys to select the "home page", "on page" and "next page", "the end", according to the [OK]
button to display the page information。
3.1.5 Picture
Search date: according to the number key input date, the default is the day。
Start time: by the number key input time, the default is 00:00.。
End time: by the number key input time, the default is 23:59.。
Search: select the OK button to search for the log information in the end time range.
Press the arrow keys to select the "home page", "on page" and "next page", "the end", according to the [OK]
button to display the page information.

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3.1.6 Sys Set Menu
The system management menu includes six functions: terminal setting, user management, system clock, power
management, parameter setting and formatting
3.1.7 Terminal setup
Device number, cell phone number, license plate number, provincial ID, terminal model, manufacturer ID,
terminal ID, city domain ID: input by digital key.
Language: select by [OK] key.
3.1.8 User management.
The server will monitor and manage
the vehicle through the device number,
and the uniqueness of the device
number must be guaranteed when the
vehicle is managed through the 3G/4G
network.

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Password enabled: press [OK] key: turn on / off。
Open: use administrator password to login, set up ordinary user / administrator password; use
user password to login, set user password only, enter by numeric key, administrator and
user input password must be consistent two times。
Close: no password can be set. When you enter the menu, you don't need to log in and go
directly into the main menu.
Be careful：
If multiple devices are put together for power supply video
recording, please use different passwords and equipment numbers
for each station, so as to avoid interfering with other devices when
operating a device, and the device number can be modified in
terminal settings
3.1.9 Time Setup
When the GPS time is selected, the
time point will be updated at the
time of the school time. The time of
GM +08:00 time zone is defaults to
the time of school time.

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Date format: the choice of date format, that is, annual - month - day, day - month - year, month - day -
year. Click the OK button
Timing options: select [OK] key: turn off /GPS/NTP, and the system default is GPS.
Timeout: set the menu waiting time, after the setting time, automatically write off the current login user
and return to the monitoring state. Select by [OK] key: 1 minutes /2 minutes /5 minutes /10 minutes, the
system default is 1 minutes
Date: changes to the current date of the system and input by the number key.。
Time: for the current time modification of the system, press the number key。
Time zone: the time zone is selected by the OK key, and the system default is GMT+08.。
3.1.10 Power Management
Switch mode: set the mode of the switchgear, select the OK key: ignition mode / timing mode。
Timing mode: the switch machine is realized according to the time section of the switchgear set by
the user。
Ignition mode: according to the car key signal switchgear。
Delay shutdown: to shutdown time does not turn off the machine, to the delayed shutdown time
automatically shut down, according to the DEL key to clear the original number, according to
the digital key input。
Start time: set in the timing mode of the start time, press the number key input。
Shutdown time: set the shutdown time in the timing mode and press the digital key.
Be careful：
The timing of the timing and the timing of the shutdown have no size, and the whole time
period is a cycle
Optional timing mode / ignition
mode, car default ignition mode,
and video delay time can be set at
this time.。

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3.1.11 Parameters Management
Parameter import: import the configuration information on the current SD card to the current device.
Parameter export: export all the configuration information of the current device to the SD card.
Save the user settings: save all the configuration information of the current user
Restore the factory setting: all the parameters of the recovery device are set to the factory default state.
This operation will clear all settings for the device
Restore user settings: all parameters of the recovery device are set to the saved user configuration
information
Note: when installing a large number of devices, and when each device is set at the same time,
please use the import and export configuration, that is, after setting up a device, export the
configuration file, and then import it to other devices to achieve the same configuration of each
device.。