Digital Watchdog VMAX A1 G4 DW-VA1G442T User manual

※The picture might differ according to the specification and model.
※Contents of this user manual are protected under copyrights and computer program laws.
Before using the system, please read this User Manual and keep it for future reference.
Rev: 07/23
USER MANUAL

WARNING
TO REDUCE FIRE OR SHOCK HAZARD,
DO NOT EXPOSE THE UNIT TO RAIN OR MOISTURE.
The installation should be made by a qualified service
person and conform to all local codes.

Cautions
Read Before System Operation
Follow these details to prevent material damage or personal injury.
Signs of Caution and Warning
Warning: This sign indicates that the user could die or seriously get wounded if not used or installed properly.
Caution: This sign indicates that the user could be wounded or could expect property damage if not used or installed
properly.
Warning: Do not expose the product to fog, rain, or too much humidity to decrease the danger from electric shock or
fire.
General Warning
Warning
1. Use the power cord, which is supplied or recommended by the supplier, or it may cause a fire.
2. Do not disassemble or reassemble the product. It may cause malfunction or fire.
3. Enquire about your vendor for repair. It may cause electric shock or fire if the repair is not done properly.
4. Do not touch the product with wet hands. It may cause malfunction or electric shock.
5. Product installation must be ensured by a professional for product installation, or it may cause malfunction, electric shock,
or fire.
6. Ground applies to video products equipped with a 3-wire grounding type plug having a third (grounding) pin. This plug
only fits into a grounding-type power outlet. If grounding is not done, it may cause malfunction or electric shock.
7. Ground connection must not touch gas pipe, water pipe, or telephone line. If grounding is not done properly, it may cause
an electric shock.
8. Prevent metallic foreign substances from going inside the product. It may cause malfunction or electric shock.
9. Do not spray insecticide or flammable spray while driving. It may cause a fire.
10. Place the system in an open place where air ventilation is guaranteed, or it may cause overheating and seriously damage
the system to be fired.
11. Prevent water from instilling inside electrical parts. Clean with a dry towel or malfunction or electric shock could result.
Caution
1. Use the power cord, which is supplied or recommended by the supplier. The internal fan rotates at high speed and may
cause an accident.
2. Do not drop, give strong vibration or shock to the product. It may cause malfunction.
3. The air inhaler of the front panel and air outlet of the back panel must not be blocked during installation.
The internal temperature of the product would be greater than allowable and could cause malfunction or fire.
4. Do not touch the product or the power cord when there is thunder. It may cause electric shock.
5. Do not install the product near or on top of the heating source. The internal temperature of the product would be greater
than allowable and could cause malfunction or fire.
6. Do not install the product in an inclined or unstable location or where vibration could be committed. It may cause
malfunction.
Cautions about the Power
Warning
1. Must use the outlet of the grounding to connect the power cord, or it may cause a fire.
2. Do not connect on the middle of the power cord or use an extension cord. It may generate heat or cause a fire.
3. Do not touch the power cord with wet hands. It may cause electric shock.
4. Keep the power cord dry and protect it from humidity. It may generate heat or cause a fire. The power cord is not waterproof.
5. Hold the body of the plug while removing the power plug. Do not pull the power cord. Damage to the power cord may
generate heat or cause a fire.
6. Check the power plug regularly. Humidity and moderation in smoking may cause a fire.
7. Remove the power cord from the outlet when the product is not used for a long time. It may cause short-circuit or electric
shock.
Caution
1. Do not turn off the power by removal of the power plug. To turn off the power, click the power button from the front panel.
When the system stops abnormally, the power button might not work. Click the power button for 5 full seconds to turn the
power off.
2. Do not cut off the power artificially or give shock or vibration to the unit while the hard disk is activating. It may cause hard
disk failure or loss of data.
Remarks
※Pictures and buttons are subject to be changed or modified up to different models.
※Function or configuration is subject to be changed or modified without prior notice for improvement of the product.

Table of Contents
1. GETTING STARTED ................................................................................................................................ 2
1.1 CHECKING SUPPLIED ITEMS .....................................................................................................................................2
1.2 SYSTEM SETUP ..........................................................................................................................................................3
1.3 SYSTEM SHUTDOWN .................................................................................................................................................4
1.4 SYSTEM EXPLANATION .............................................................................................................................................5
2. STARTUP WIZARD ................................................................................................................................. 8
2.1 LANGUAGE .................................................................................................................................................................8
2.2 NETWORK...................................................................................................................................................................8
2.3 NAME AND TIME ZONE............................................................................................................................................ 11
2.4 CAMERA CONNECTION............................................................................................................................................ 11
2.5 PRODUCTION REGISTRATION................................................................................................................................. 12
2.6 FIRMWARE UPGRADE ............................................................................................................................................. 12
2.7 FINISH ....................................................................................................................................................................... 12
3. OPERATION.............................................................................................................................................13
3.1 USER LOG-IN ........................................................................................................................................................... 13
3.2 LIVE DISPLAY MODE ............................................................................................................................................... 13
3.3 PLAYBACK RECORDED IMAGES ............................................................................................................................. 18
3.4 SEARCH RECORDED IMAGE ................................................................................................................................... 19
3.5 DST SETTING AND IMAGE PL AY B A CK ................................................................................................................. 22
4. DVR SETTINGS MENU .........................................................................................................................24
4.1 SYSTEM .................................................................................................................................................................... 25
4.2 DEVICE..................................................................................................................................................................... 32
4.3 ALARM ...................................................................................................................................................................... 41
4.4 RECORD ...................................................................................................................................................................44
4.5 NETWORK................................................................................................................................................................50
4.6 EXPORT ................................................................................................................................................................... 59
5. WEB SURVEILLANCE WITH WEB BROWSER .............................................................................62
5.1 WEB LOGIN ............................................................................................................................................................ 62
5.2 WEB MONITORING ................................................................................................................................................. 62
5.3 WEB PL AY B AC K ..................................................................................................................................................... 63
5.4 DVR’S SETUP MENUS FROM THE WEB VIEWER ...............................................................................................64
6. PATHFINDER CONNECTION THROUGH THE WEB....................................................................65
6.1 MYDW™PATHFINDER™LOGIN ........................................................................................................................... 65
6.2 LIVE.......................................................................................................................................................................... 65
6.3 PLAYBACK ............................................................................................................................................................... 66
6.4 SETUP ...................................................................................................................................................................... 66
7. Q & A ........................................................................................................................................................67
8. SPECIFICATIONS ..................................................................................................................................69
WARRANTY INFORMATION .........................................................................................................................71
LIMITS AND EXCLUSIONS............................................................................................................................72

User Manual 2
1. Getting Started
1.1 Checking Supplied Items
Make sure that you have the following items supplied with your DVR. If any of these items are
missing or damaged, notify your vendor at once. Keep the packing utilities for moving or
storage purposes.
Items
Photo
Quantity
Quick Start Guide and
download instruction card 1
DC 12V adapter and
power cable (*4-channel
models do not come with
power cable)
1 set
Rubber mount*
*Included contents may differ
depending on the DVR model
1 set (4 Pieces)
USB mouse 1
Note
USB keyboard input is not supported. Connect a USB mouse to use the virtual
keyboard and interact with the DVR interface.

3 VMAX A1 G4™ DVR
1.2 System Setup
1.2.1. Connect External Devices
Follow the diagram below to connect all necessary external devices to your DVR. Please note
that the number of ports available may differ based on the model. See the product’s
specifications at the end of this manual for more information.
1.2.2. System Startup
After connecting all external devices to the DVR, power up the DVR by connecting the provided
12V power adapter to the rear panel or the recorder. The boot logo will display. Please wait until
the boot process completes.
When the system is starting, the Set Admin Password window is displayed. When you log in to your
unit for the first time, you will be asked to set up a new password. The password must be a minimum of
8 characters with at least 3 combinations of uppercase letters, lowercase letters, numbers and special
characters. Acceptable special characters are 『~ ‘ ! $ ^ ( ) _ - | { } [ ] ; . ? /』.
To login, right-click anywhere on the screen and enter the username and password in the popup screen.
There is only one Administrator Account configurable in the DVR. It is assigned with an unchangeable
User ID marked as ‘admin’. The administrator account has full access to the DVR and its configurable
parameters and can also create new users and assign rights to the new user accounts.

User Manual 4
If the DVR is set to AUTO LOGIN, you will not need to enter the login every time you start the unit.
Caution
1) It may take a few minutes to start up the system after turning on the power in
cases where the user sets the network configuration as DHCP mode but under
the situation that there is no DHCP server in the network or the network is not
connected.
2) The mouse is included. In cases where you need to replace it, it is highly
recommended to choose well-known major brands such as DELL, MICROSOFT,
LOGITECH, or SAMSUNG.
Note
1) Do not forget the administrator’s password that was set for the first time. In cases
where you have forgotten your password, contact your local dealer for help.
2) Refer to “Section 4.1.2 User” for AUTO LOGIN and AUTO LOGOFF settings.
1.3 System Shutdown
To shut down the DVR, click the exit button [ ] on the Toolbar at the bottom of the screen then
click [SHUTDOWN] in the pop-up screen as shown below. To avoid potential electrical damage, do
not disconnect power to the DVR by disconnecting the power plug from the DVR while in operation.
When prompting a SHUTDOWN, input the administrator password and click [OK] to shut down the
system. Click [YES] to confirm shutdown.
NOTE
Users can input passwords using the virtual keyboard.

5 | VMAX A1 G4™ DVR
1.4 System Explanation
1.4.1. Front Panel
** Front panel may differ according to the model.
Power (On the back panel)
1. LED indicator: indicates system status for power, record and network status.
2. USB port: for backup and upgrade.
1.4.2. Toolbar in Live Mode
In Live view, move the mouse cursor to the bottom of the screen to show the menu bar.
Menu
Click on the menu button to access the DVR’s main menu screen. See Section 4 – Setting.
Display Mode
Select the display split mode from the available options. Select 1CH, 4CH, 9CH, or 16CH
mode. Available options may differ based on the model.
Sequence
Start and stop Sequence mode while viewing live video. Camera channels will sequence




User Manual | 6
through the selected Display mode. The sequence is disabled if all channels are displayed.
Channel Number
Switch to a single-channel view of a specific channel by pressing the corresponding number.
Emergency Recording
The system records all channels with the full-frame rate at the maximum resolution
regardless of the recording setting. To stop the emergency recording, click the same icon
again.
Export
Backup recorded video to an external device. See Section 4.6 Export.
Playback
Switch to playback mode. See Section 3.3 Playback Recorded Image.
Search
Open the search options screen. See Section 3.4 Search Recorded Image.
Exit
Exit the DVR with three different options: log off, reboot and shutdown.
Pin
When selected, the DVR’s menu bar will be displayed on the screen permanently, regardless
of the mouse’s position.
1.4.3. Toolbar in Playback Mode
In the Playback view, move the mouse cursor to the bottom of the screen to show the menu bar.
Channel
Indicates the currently selected channel.

7 | VMAX A1 G4™ DVR
Intelligent Search Bar
Shows recording status for the selected channel from 00:00 to 24:00 hours. A white,
vertical line indicates the time currently displayed. Moving the white, vertical line will update
the video shown.
Previous/Next Date Search
Move to a previous date or the next date to search.
Playback Controls
: Playback speed control. (X32 / x16 / x8 / x4 / x2).
: Move backward one second
: Stop button
: Play button
: Move forward one frame
: Playback speed control. (X2 / x4 / x8 / x16 / x32)
: Current playback speed
Screen Display Mode
Select the display split mode from the available options. Select 1CH, 4CH, 6CH, 9CH, 10CH,
13CH or 16CH mode. Available options may differ based on the model.
Export
Backup recorded video to an external device. See Section 4.6 Export.
Search
Open the search options screen. See 3.4 Search Recorded Image.
Exit
Close playback mode and move to Live mode.
Pin
When selected, the DVR’s menu bar will remain pinned on the viewing screen, regardless of
the mouse’s position. Deactivate the Pin to undo this setting.

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2.Startup Wizard
When the DVR is launched for the first time, the STARTUP WIZARD will appear. This wizard
helps you setup the DVR’s most basic settings for proper functioning. You can access the
Startup Wizard at any time by clicking the [ ] button for the Startup Wizard in MENU >
SYSTEM > SETTINGS. (See Section 4.1.5 Settings).
2.1 Language
Select the language according to the country or user’s preference.
If “Run Startup Wizard upon reboot” is selected, the Startup Wizard will appear every time the
system is started.
2.2 Network
Setup the DVR’s network settings for remote connection. You can select to manually configure
the DVR’s network settings (Manual Config.). You can also allow the system to setup the
network settings automatically by selecting AUTO CONN. (PathFinder™).

9 | VMAX A1 G4™ DVR
If Manual Config. has been selected, setup the information below:
NETWORK TYPE
•Select either STATIC IP or DHCP for dynamic IP. For proper configuration, it is
recommended to assign the DVR a DHCP address and let the DVR auto-discover all the
proper network settings, and then change the Network Type to Static IP and save the
changes.
•DHCP: the DVR will automatically configure the network settings according to the
current network requirements. If DHCP is selected, click the ‘IP DETECT’ button to
automatically detect all the network settings.
•STATIC IP: manually enter all necessary network settings. While set to STATIC, the
network settings will not change when prompted by the connected DHCP router or
DHCP network device.
IP ADDRESS
Displays the DVR’s IP address. If DHCP is selected, the IP address will automatically adjust to
match the network’s requirements. If STATIC is selected, the IP address can be manually
changed as needed.
SUBNET MASK
Subnet Mask classifies the subnetwork that the DVR system belongs to. For more
information, please consult your network administrator or your internet provider.
GATEWAY
This is the IP address of the router or gateway server. It is required when connecting to the
DVR through the external router over the Internet (from another network). For more
information, consult your network administrator or your internet provider.
DNS SERVER
Enter the IP address of the Domain Name Server (DNS). You should input the DNS Server
information to use DDNS, Email Notifications and NTP Server. For more information, please
consult your network administrator or your internet provider.
TCP/IP PORT
(Default – Port 9010) Input the network port number that is used when connecting to the
DVR locally or remotely. If your ISP blocks Port 9010, you may either port forward the

User Manual | 10
blocked port or change to use a different valid port number (ex, 9020). If there are
multiple DVRs connected to the same local network, it should be considered to assign
each DVR to different TCP/IP Ports.
WEB PORT
(Default – Port 80) Input the port number to use when connecting with a Web Browser. If
your ISP blocks Port 80, you may either port forward the blocked port or change to use a
different valid web port number (ex, 8080). If there are multiple DVRs connected to the
same local network, it should be considered to assign each DVR to different Web Ports.
RTSP Port
Input the port number that is used for connecting to RTSP. The default is Port 554.
•Main Stream: rtsp://{IP ADDRESS}:{rtsp port}/main/ch{number}
•Sub Stream: rtsp://{IP ADDRESS}:{rtsp port}/sub/ch{number}
BANDWIDTH LIMIT
(Default – 100 Mbps) Depending on the setting made by the user, the system can control
the data volume transmitted over a network ranging from 25 kbps up to 1Gbps. This
function is effective when under narrow bandwidth network conditions or when the user
wants to limit “network bandwidth occupied by video transmission” to a certain level.
USE UPnP (Universal Plug and Play)
UPnP (Universal Plug and Play) Port Forwarding: If a UPnP supported router is connected,
the DVR will forward ports automatically after communicating with the router without the
need for complicated port forwarding setup at the router.
Once the PC has discovered the DVR, double-click on the icon to open the DVR’s web
client. Enter your User ID and Password to log in and click “Connect” to connect. For more
information on accessing the DVR web client, see Section 5 Web Surveillance with Web
Browser.
NOTE
1. The maximum number of simultaneous remote connections is 10 users.
2. For the other network settings, such as DDNS, Notification, Mobile Push & P2P
Cloud, please see Section 4.5 Network.
If the Auto connection (PathFinder) has been selected, connect the DVR to the PathFinder
system. The DVR can then be reached by mobile device using the QR code.

11 | VMAX A1 G4™ DVR
NOTE
For more information, please see Section 4.5.5 PathFinder
.
2.3 Name and Time Zone
Set the DVR’s name and select the local time zone.
2.4 Camera Connection
Enter a camera name for each camera channel of the DVR.

User Manual | 12
2.5 Production Registration
Provide user information to register the DVR for technical support and maintenance.
2.6 Firmware Upgrade
Upgrade the DVR’s firmware by network connection. If an Internet connection is
unavailable, the DVR firmware can be upgraded manually later in the System menu of the
DVR.
2.7 Finish
When the Setup Wizard is completed, click “FINISH” to close the wizard and go to the Live
view screen.

13 | VMAX A1 G4™ DVR
3.Operation
3.1 User Log-in
Input the USER and PASSWORD credentials to log in after turning on the system.
If a user forgets their password, they may click the icon to check the password hint.
NOTE
1. The LOGIN window will be permanently displayed until a user logs in with the
right USER and Password.
2. If DVR is set as AUTO LOGIN, the login process is not necessary. See “Section
4.1.2 User” for more information.
NOTE
The key in the virtual keyboard includes often-used words, such as “Admin, root,
http://, rtsp://, www., .com, .net, .org, etc.”.
3.2 Live Display Mode
3.2.1. Channel Selection
Live camera images from your cameras will display after powering ON the DVR. The images can
be seen in 1, 4, 6, 9, 10, 13 and 16 split-screen options (some split options may not be available
depending on the maximum number of channels of the DVR). Click the display mode button
() on the toolbar to change the display to the next layout or sequence. To
switch from a multi-channel view to a single camera, double-click on the selected channel. To
return to the multi-channel mode, click the left mouse button again.
A “VIDEO LOSS” message will display on the screen when no camera is connected or if a camera is
disconnected suddenly. When a camera is disconnected, a warning sound will emit, depending on the
system’s event alarm settings.
Admin users can set various levels of authorization for each user, with viewing access to specific
channels. If a certain user is not authorized to view a channel, the image will be unavailable within the
viewing screen and the DW logo will show instead of Live video as shown in the example below.

User Manual | 14
3.2.2. Icons
In Live mode, icons will appear on the screen to notify of the system mode or status.
The icon is shown at the right-upper
corner of each channel screen
The icon is shown at the right-bottom corner of
fullscreen
Continuous Recording No HDD Detected
Motion Detection Recording
Emergency Recording is in use
Sensor Activated Recording PTZ is enabled
Continuous + Motion Alarm
Recording
Warning for exceeding
temperature
Continuous + Sensor Activated
Recording
Sequence Mode is enabled
Motion Detection + Sensor-
Activated Recording
Digital Zoom is enabled
Emergency Recording
Sensor Activated
Motion Detected
Audio Channel
PTZ Camera
Transaction Verification
NOTE
If you cannot find any recording icon in the right corner of the screen, the system is
not recording. Check the recording schedule or camera in the main setup menu.
3.2.3. Pop-up Menu
Users can click the right button of the mouse to pop up the sub-menu as below. If users want to
control a specific channel, put the mouse cursor on that channel and then click the right button.
Display Mode
The user can change the screen display mode from the available split
options (1, 4, 6, 9, 10, 13, 16 split option).
Change Next CH
View the next channel or next group of cameras in the current split
mode.
Sequence
When SEQUENCE is selected, icon will appear on the right-
bottom corner of the screen. The display screen will be sequentially
changed.
Digital Zoom
•Digital Zoom is available in a single-channel view only. When
“ZOOM” is selected, an icon will appear on the right-
button corner of the screen and digital zoom control is available.
•To zoom in, click-and-drag the mouse over the desired area to

15 | VMAX A1 G4™ DVR
create a zoom area. You can also zoom-in or zoom-out by scrolling the mouse wheel.
The user can move the zoom area by clicking on the edge of the square and dragging it.
•To exit from zoom mode, right-click and select “ZOOM EXIT’ on the menu.
PTZ
Enable PTZ mode. See Section 3.2.4 PTZ Operation for more information. The available PTZ
options depend on the camera’s settings. See the camera manual for more information.
Freeze
Freeze the current Live view. The system clock (date/time information) will continue running
at the bottom of the screen. Select FREEZE again to resume the Live view.
Add to Bookmark
Add a bookmark with a description of the currently displayed
image. When the bookmark menu appears, enter a description and
click OK to save.
Instant Playback
Select a specific prior time (10sec. / 15sec. / 30sec. / 60sec. / 2min. / 3min. / 5min.) to
instantly switch to playback mode.
Search
Search recorded video using the Calendar, Date/Time, First Data, Last Data, System Log, Event
Log, Transaction Verification and Bookmark options. See Section 3.4. Search Recorded Image
for more information.
Preview Search
Search recorded video in thumbnail search modes. See Section
3.4.9 Preview Search for more information.
Recording Info
Check the recording status of the DVR, such as Recording Period,
Daily Recording Size (Average), Current Recording Days and
Remaining Recording Days.
System Status
See the system status, including information on the network condition, the number of clients
currently connected to the DVR, etc. A green line means the connection is Live and working.

User Manual | 16
Analysis
Check the system performance, conditions and network conditions for the entire system.
[Performance Monitor] [Network Monitor]
Health Check
Display the information of the DVR system, network, camera, and HDD as text. Select which
information to display and setup checks cycle time. You can also setup an email to receive
updates on the system’s health.
Menu
Open the main menu setup screen.