Vpon VP-404 User manual

Network DVR System
Your best choice for digital video recording and remote surveillance
VP-404/4048
UserManual
(Version:V2.0)
www.vpon21.com

Preface
Notice
The information in this manual was current when published. The manufacturer reserves the right to revise and improve its
products. All specifications are therefore subject to change without notice.
Note: Formosa21 will not be obligated to the responsibility outside the scope of VPON DVR.
Trademarks
VPON ® is a registered trademark of Formosa 21 Inc.
Microsoft, Windows, Internet Explorer ® are registered trademarks of Microsoft Corporation. Netscape, Navigator,
Communicator ® are registered trademarks of Netscape Corporation. Other brand and product names referred to in this manual
are trademarks or registered trademarks of their respective holders.
Trademarked names are used throughout this manual. Rather than place a symbol at each occurrence, trademarked names are
designated with initial capitalization. Inclusion or exclusion is not a judgment on the validity or legal status of the term.
Warning
To reduce risk of electric shock, do not remove cover. No user service-able parts inside. Refer servicing to qualified service
personnel.
Do not expose this appliance to rain or moisture.
Do not install this product in hazardous areas where highly combustible or explosive products are stored or used.
Severe impact or vibration may cause malfunction.
Do not move this product when VPON is working.
Position it in an open space with flat surface, and also maintain at least 15 cm between the left and right sides of the
body and the wall.
The lightning flash/arrowhead symbol, within and equilateral triangle, alerts the user to the presence of a shock hazard within
the product’s enclosure.
CE Warning
FCC Warning
GUARANTEE
Every care has been taken in the preparation of this manual; if you detect any inaccuracies or omissions, please inform
FORMOSA21, INC. in Taiwan or your local distributor. FORMOSA21 cannot held responsible for any technical or
typographical errors and reserves the right to make changes to the products and manuals without your prior notice.
FORMOSA21 makes no warranty of any kind with regard to the material contained within this document, including, but not
limited, the implied warranties of merchantability and fitness for a particular purpose. FORMOSA21 shall not be liable nor
responsible for incidental or consequential damages in connection with the furnishing, performance or use of this material.
Important information
Before proceeding, please read and observe all instructions and warnings contained in this manual. Retain this manual with the
original bill of sale for future reference and, if necessary, warranty service.
When unpacking your VPON unit, check for missing or damaged items. If any item is missing, or if damage is evident, DO
NOT INSTALLOR OPERATE THIS PRODUCT. Contact your dealer or us for assistance.
This is a Class A product, in a domestic environment this product may cause radio interference in which case the user
may be required to take adequate measures.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions (1) this
device may not cause harmful interference, and (2) this device must accept any interference received, including
interference that ma
y
cause undesired o
p
eration.

Contents
1. Overview
1.1 Introduction-------------------------------------------------------------------------------1
1.2 System requirements---------------------------------------------------------------------1
1.3 Features-------------------------------------------------------------------------------------1
1.4 VP-404/4048 Back panels --------------------------------------------------------------------------------------2
1.4.1 Make the Physical connection ----------------------------------------------------------------------------3
1.5 About the GUI-----------------------------------------------------------------------------------------4
1.5.1 The local GUI-------------------------------------------------------------------4
1.5.2 The network GUI-------------------------------------------------------------------4
2. Getting Started
2.1 Running modes---------------------------------------------------------------------------------------------------5
3. The Local GUI
3.1 Introduction------------------------------------------------------------------------------7
3.2 Surveillance screen panel--------------------------------------------------------------7
3.3 Set up Video Quality--------------------------------------------------------------------8
3.4 I/O button---------------------------------------------------------------------------------9
3.5 POS button--------------------------------------------------------------------------------9
3.6 PTZ Control panel ----------------------------------------------------------------------9
3.7 Play button-------------------------------------------------------------------------------10
1.play buttons ------------------------------------------------------------------------------------------------12
2. Split-screen display buttons-----------------------------------------------------------------------------12
3. Brightness/Contrast / Sharpness / Digital Zoom in playback---------------------------------------12
4. Status button ----------------------------------------------------------------------------------------------13
3.8 Bookmark----------------------------------------------------------------------------------13
3.9 Alarm log----------------------------------------------------------------------------------13
3.10 Backing up the data---------------------------------------------------------------------14
3.11 Thumbnail Browse----------------------------------------------------------------------14
3.12 Search by Event----------------------------------------------------------------------15
3.13 Search by Text----------------------------------------------------------------------17
3.14 Close playback screen----------------------------------------------------------------------18
3.15 Setup------------------------------------------------------------------------------------18
[System setup]
3.15.1 Password Protect------------------------------------------------------------------------18
3.15.2 Video-------------------------------------------------------------------------------------19
3.15.3 Video input----------------------------------------------------------------------------------20
3.15.4 Disk-----------------------------------------------------------------------------------21
3.15.5 TV out-------------------------------------------------------------------------------22

3.15.6 OSD Text------------------------------------------------------------------------22
3.15.7 GPIO-------------------------------------------------------------------------------23
3.15.8 TCP/IP------------------------------------------------------------------------23
3.15.9 Account------------------------------------------------------------------------23
3.15.10 Audio---------------------------------------------------------------------------------------24
3.15.11 Serial ports---------------------------------------------------------------------------24
3.15.12 System info---------------------------------------------------------------------------25
3.15.13 Date/Time---------------------------------------------------------------------------25
3.15.14 ISP----------------------------------------------------------------------------------26
3.15.15 Registry----------------------------------------------------------------------------26
3.15.16 Running Mode------------------------------------------------------------------------27
3.15.17 Algorithm----------------------------------------------------------------------------------27
3.15.18 NTP setup------------------------------------------------------------------------------28
3.15.19 License---------------------------------------------------------------------------------28
3.15.20 Network neighbor------------------------------------------------------------------------29
3.15.21 System log-----------------------------------------------------------------------------30
3.15.22 Alarm log-----------------------------------------------------------------------------30
3.15.23 Configuration------------------------------------------------------------------------30
3.15.24 Default settings------------------------------------------------------------------------31
3.15.25 Revise firmware------------------------------------------------------------------------32
3.15.26 Reboot system ------------------------------------------------------------------------32
[Record setup]
3.16.1 DVR setup------------------------------------------------------------------------------33
3.16.2 Record schedule------------------------------------------------------------------------33
3.16.3 GPI Trigger----------------------------------------------------------------------------34
3.16.4 Pre-Alarm---------------------------------------------------------------------------34
[Alarm]
3.17.1 Alarm Setup----------------------------------------------------------------------------35
3.17.2 GPI Alarm-----------------------------------------------------------------------------37
3.17.3 Motion Alarm ------------------------------------------------------------------------37
3.17.4 Video Lost-----------------------------------------------------------------------------38
3.17.5 Disk Space Low------------------------------------------------------------------------38
3.17.6 Disk Error----------------------------------------------------------------------------39
3.17.7 POS Event------------------------------------------------------------------------39
[Motion Detection]
3.18 Motion Detection----------------------------------------------------------------------40

4. IR remote control operation
4.1 Introduction--------------------------------------------------------------------------------41
4.2 Main menu--------------------------------------------------------------------------------41
4.3 System setup------------------------------------------------------------------------------ 41
4.3.1 Password protect---------------------------------------------------------------------42
4.3.2 Video ( PTZ setup )-----------------------------------------------------------------43
4.3.3 Video input-----------------------------------------------------------------------------45
4.3.4 Disks---------------------------------------------------------------------------------45
4.3.5 TV output--------------------------------------------------------------------------- 46
4.3.6 OSD text---------------------------------------------------------------------------- 47
4.3.7 TCP/IP------------------------------------------------------------------------------ 48
4.3.8 Account------------------------------------------------------------------------------49
4.3.9 Audio-------------------------------------------------------------------------------- 50
4.3.10 Serial ports-------------------------------------------------------------------------------------------- 50
4.3.11 System information-------------------------------------------------------------------------------- 51
4.3.12 Date/Time-------------------------------------------------------------------------------------------------51
4.3.13 Alarm------------------------------------------------------------------------------------------------------52
Motion Detection----------------------------------------------------------------52
E-mail-----------------------------------------------------------------------------52
Video Popup--------------------------------------------------------------------- 53
Voice Call------------------------------------------------------------------------ 53
Set Action ( MD/Video lost/Disk space low/Disk error/Pos )----------------- 54
4.3.14 ISP---------------------------------------------------------------------------------------- 54
4.3.15 Registry server------------------------------------------------------------------------55
4.3.16 Running mode------------------------------------------------------------------------56
4.3.17 Algorithm--------------------------------------------------------------------------- 56
4.3.18 NTP setup------------------------------------------------------------------------- 56
4.3.19 License setup------------------------------------------------------------------------- 57
4.4 Record Setup---------------------------------------------------------------------------- 57
4.4.1 DVR setup--------------------------------------------------------------------------57
4.4.2 Record schedule--------------------------------------------------------------------58
4.4.3 Motion detection-------------------------------------------------------------------59
4.4.4 GPI Trigger --------------------------------------------------------------------------60
4.4.5 Pre-Alarm---------------------------------------------------------------------------60
4.5 Playback----------------------------------------------------------------------------------61
4.5.1 Playback list-----------------------------------------------------------------------------61
4.5.2 Searching for a file----------------------------------------------------------------------63
4.5.3 Locking files ----------------------------------------------------------------------------63
4.5.4 Backing up the data ----------------------------------------------------------------64
4.6 System Maintenance-----------------------------------------------------------------------64

4.6.1 Alarm log----------------------------------------------------------------------------64
4.6.2 System log------------------------------------------------------------------------65
4.6.3 Default settings-------------------------------------------------------------------66
4.6.4 Configuration file-------------------------------------------------------------------66
4.6.5 Revise firmware------------------------------------------------------------------66
4.7 System shutdown-----------------------------------------------------------------------66
5. VPON network operation
5.1 Introduction------------------------------------------------------------------------------67
5.2 Connecting-------------------------------------------------------------------------------67
5.3 Surveillance screen panel--------------------------------------------------------------68
5.4 Play button-------------------------------------------------------------------------------68
5.5 PTZ panel--------------------------------------------------------------------------------69
5.6 System Setup----------------------------------------------------------------------------70
5.6.1 System information----------------------------------------------------------------70
5.6.2 Camera setting----------------------------------------------------------------------70
5.6.3 Audio setting------------------------------------------------------------------------71
5.6.4 Set time and date-------------------------------------------------------------------71
5.6.5 Set NTP server--------------------------------------------------------------------- 72
5.6.6 System configuration--------------------------------------------------------------72
5.6.7 Set Serial ports---------------------------------------------------------------------72
5.6.8 Set pos--------------------------------------------------------------------------------73
5.6.9 Alarm and remote control---------------------------------------------------------------------73
5.6.10 Set names and on-screen display------------------------------------------------ 74
5.6.11 Set user authority------------------------------------------------------------------ 74
5.6.12 DVR setup-------------------------------------------------------------------------74
5.6.13 Record schedule------------------------------------------------------------------ 75
5.6.14 Motion Detection------------------------------------------------------------------ 75
5.6.15 GPI Trigger Recording------------------------------------------------------------------ 76
5.6.16 Set Pre-Alarm------------------------------------------------------------------ 76
5.6.17 Playback---------------------------------------------------------------------------76
5.6.18 Search-------------------------------------------------------------------------------77
5. 6.19 Send mail ------------------------------------------------------------------------------------- 78
5.6.20 FTP upload------------------------------------------------------------------------78
5.6.21 Alarm log------------------------------------------------------------------------79
5.6.22 System log------------------------------------------------------------------------79
5.6.23 Configuration file------------------------------------------------------------------------80
5.6.24 Back to home page----------------------------------------------------------------------80
5.6.25 View video without plug-ins----------------------------------------------------------------------80

6. Advance Network Setting
6.1 Connecting to the network-------------------------------------------------------------81
6.2 Configuring Static IP Address---------------------------------------------------------81
6.3 Configuring Dynamic IP Address-----------------------------------------------------81
6.4 Finding the IP address of the VPON on the register server---------------------------------------------82
6.5 Using xDSL or cable Internet----------------------------------------------------------82
6.6 Using PPPoE-------------------------------------------------------------------------------82
6.7 Using dial-up Internet----------------------------------------------------------------------------------------83
6.8 Remote access using dial-up----------------------------------------------------------------------83
Appendix
Appendix A: Operation via local keyboard -----------------------------------------------------------------------I
Appendix B: IrDA mode (IR Remote Control) -----------------------------------------------------------------II
Appendix C: Guide to revise firmware of VPON --------------------------------------------------------------IV
Appendix D: Voice Modem ---------------------------------------------------------------------------------------IV
Appendix E: View video by PDA or Cell phone ----------------------------------------------------------------V
Appendix F: NET I/O(optional) ----------------------------------------------------------------------------------V
Appendix G: Troubleshooting----------------------------------------------------------------------------------- VII

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1. Overview
1.1 Introduction
The VP-404/4048 Network DVR System is a high performance digital video recorder and web server all
in one. Features include a real time video capture utility, and video compression that allows efficient
transmission of moving images over a network. Video can also be displayed on a local VGA monitor.
The VP-404/4048 can record and play back digital video simultaneously while continuing to display live
video. Video footage is saved to a removable hard disk.
Up to 8 cameras can be connected to a single VP-404/4048 unit. Full motion video with audio over
Internet or intranet is supported. Video output can be viewed using a standard PC and web browser with
custom plug-in software. Camera pan, tilt, zoom, and focus functions can be controlled over the network,
and the unit can be configured to react a particular way to when certain events occur. An IR remote
control unit(optional) is included to make setup and operation as trouble free as possible.
1.2. System requirements
Cameras
• Composite CCD, V8, or camcorder
• NTSC or PAL standard
Network equipment
• RJ-45 Ethernet port and connection to Internet or intranet (network mode)
• Public or private IP address (Network mode and Internet access)
• VGA monitor for local display
PC for configuration for remote viewing
• Pentium IV 1.7GHz CPU or better
• 256MB RAM or more
• AGP VGA card
• Microsoft Windows XP/2000/ME/98 operating system
• Standard Internet browser such as Internet Explorer
1.3 Features
Video and audio recording:
• Up to 8 black and white, or color cameras
• Up to 30 fps for each camera (local monitoring)
• Record, playback and, display simultaneously
• Built-in QUAD/multiplexor functions (local monitoring)
• Local playback of recorded footage on VGA or TV monitor
• Remote playback in PC browser
• Query recorded data referenced by date, time, and event
• Support for popular PTZ cameras
High video quality and low data rate
• Up to 200:1 video compression
• Multiple video compression engines including, H.263, JPEG, MJPEG, and MPEG4

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Network
• Dynamic IP support for Internet access
• Direct dial-up support
Data storage and backup
• Removable hard disk
• Optional CD writer
Easy to use
• Plug and play, non Windows embedded real-time OS
• Easy configuration using either keyboard, mouse, IR remote control, home page, or RS-232 terminal
• The only client application required is a standard web browser
Alarm functions
• Motion detection, event trigger, schedule, pre alarm recording
• E-mail and FTP alarm notification
• Optional GPI/O for alarm control
Customization
• HTML file upload support for home page customization
• FTP server upload support for customization
FW1.3 New Features
• Point of sales DVR Integration
• USB mouse support
• SATA HDD support
• Low-bandwidth support
FW1.4 New Features
• Alarm log
• Import searching function for more user friendly
• Weight recording
• Water mark support
• Modify POS License to three versions
• Selectable 30 days recorded files auto deletion function
• Network Neighbor function support
1.4 VP-404/4048 Back Panels
A. B. C. D. E. F. G. H.
A. Power cord connector and Power switch
The power cord and power switch are on the left side of the rear panel. Press ”I” to turn on the unit,
press ”O” to shut down the unit

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B. Keyboard connector
Operating VPON via local keyboard is an alternative other than IrDA controller. Keyboard
connector is at the left side of VPON rear panel.
C. USB connector
External IrDA receiver must be connected to one of the USB ports at the rear panel. Either one is
OK.
D. COM ports
Four 9-pin D-sub connectors provide RS-232 and RS-485 serial connection. COM1, COM3, COM4
Ports provide RS-232 serial connection for VP404/4048 unit configuration or modem/ISDN
connection. COM2 Port provides RS-485 serial connection for camera PTZ control.
E. Network connector
RJ-45 connector is for 100BaseT Fast Ethernet network.
F. MIC and speaker connector
MIC connector for audio input and speaker connector for audio out.
G. Video input
Video outputs from cameras are routed to these BNC input connectors.
Maximum of 8 videos can be connected on VP4048 units.
H. VGA Out connector
VGA Out connector provides video output to VGAMonitor.
1.4.1 Make the Physical Connection
Fig 1.4.1

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1.5 About the GUI
The VP-404/4048 can be configured and operated using either the local GUI, or over a network.
1.5.1 The local GUI
1.5.2 The network GUI

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2. Getting Started
Read this section to get your VP-404/4048 up and running. This section assumes that the VP-404/4048 is
already connected and cameras are attached. For more information, see the user manual supplied with the
unit. Live footage can be viewed either on the local screen connected to the VP-404/4048 or over a
network if a connection exists.
2.1 Running modes
Images can be viewed on the screen attached to the VP-404/4048. You can control the number of images
displayed on the screen and configure the VP-404/4048 using either mouse control, or IR remote
controller(optional).Turn the VP-404/4048 on using the power switch on the rear of the unit and the
switch on the front panel.
Note: The default startup mode for the VP-404/4048 is mouse control mode. This can be changed by
setting the Running Mode option as described later in this section.
Depending on how the VP-404/4048 is configured, you will see images from the attached cameras on the
screen. If the VP-404/4048 is in mouse running mode, a graphical user interface (GUI) with clickable
buttons will be displayed on screen as shown below. In this running mode, the IR remote control will not
function. When the VP-404/4048 is in IR remote control running mode, no GUI is displayed, only feeds
from the connected cameras.
Follow these instructions to switch from mouse running mode to IR remote control running mode.
1. Click the SET UP button on the GUI to display the setup menu.

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2. From the list on the left of the screen, click the Running Mode heading to display the running mode
menu.
3. From the Control dropdown box, choose IR Control.
4. From the Mode dropdown box, choose either ISP mode if you are connected using an ISP type
connection, or Network Mode, if you are connected to a network.
5. Click OK.
The system will automatically reboot in IR remote control mode.
Follow these instructions to switch from IR remote control running mode to mouse running mode.
1. Press the Menu button on the remote control to display the setup menu on screen.
2. Use the up and down arrow buttons to highlight the Running Mode option and press the OK button to
confirm your choice.
The running mode menu will be displayed on screen.
3. Use the up and down arrow buttons to highlight the Control – IR Control field.
4. Use the left and right arrow buttons to toggle between Control – IR and Control – mouse.
5. Press the OK button when the control field is set to mouse.
The unit will reboot when the OK button is pressed. It will restart in mouse running mode.
Menu button

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3. Graphic User Interface (GUI)
3.1 Introduction
VP-404/4048 can be configured using either the supplied remote control unit (or a keyboard) or a mouse.
This chapter covers mouse operation. The VP-404/4048 must be in GUI mode for mouse operation.
Under GUI mode, keyboard is used ONLY for data entry.
Local surveillance GUI:
DVR basic information: including date, time, total hard disk size and LAN status.
Camera status:
RM
Color Recording Mode
Gray No video signal
Blue No recording
Red Full recording
G
Color Status of each DI and DO device.
Gray DI or DO not detected
Red DI or DO was detected
3.2 Surveillance screen panel
The Surveillance Screen Panel enables you to define which live images are displayed on screen.
A B C
Color Motion detection Status
Gray Motion not detected
Yellow Motion detected
Full screen monitoring / I/O button
Camera status
Playback
System configuration
DVR basic information
Split-screen / Live surveillance

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A. Selectable1/4/6/7/9/10/13/16split-screendisplay
B. Use the sequence button to automatically cycle through all the connected cameras
C. The arrow buttons to get previous or next camera
Enlarge button
Click the enlarge button to switch to full screen live video display.
Double click mouse right button to switch back normal live video.
3.3 Setup Video Quality
Use the video quality button to set all the video parameters for the cameras connected to the
VP-404/4048.
1. First, please change to single screen as following .
2. Press the set quality button , you can see the Brightness , Contrast , Saturation , Hue , Quality
(All) control panel.
Brightness- adjusts the amount of light or brightness for the selected camera according to your
preference.
Contrast - adjusts the difference between light and dark areas or contrast for the selected camera
according to your preference.
Select camera
Video quality button / I/O button / POS button
Back to live surveillance / Enlarge video / System setup

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Saturation - adjusts the amount of color for the selected camera.
Hue - adjusts the dominant color for the selected camera.
Quality (All) - adjusts the video quality for all cameras. The default setting is 80. We recommend that
you do not set this to 100 to avoid slow video transmission rate and using up too much hard disk space.
3.4 I/O button or
Click the “I/O” button to display the I/O panel.
When an alarm is triggered, the GPI and GPO that are connected will show the status of the input or
output device. Colors will change on the GPIO panel when the corresponding GPIO points are activated.
3.5 POS button
Click the “POS” button and the screen will show as below.
1. Firstly, please change to single screen as following .
2. After the “POS” button is pressed, the POS panel will appear at bottom of the screen.
3. POS transaction data with video will show on the screen and data ONLY on pos panel.
3.6 PTZ Control
PTZ panel
After setting PTZ in the camera setup section , user can use the PTZ panel to control PTZ (Pan, Tilt,
Zoom) cameras. This panel is displayed when change to single screen.
POS transaction data

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PTZ panel: You can do preset and recall, zoom in/out, focus, iris control to current camera.
Preset buttons- Save current camera position. You can save totally16 preset positions
Recall buttons- Move the camera to the selected preset position.
ZOOM buttons - adjust the zoom to provide a more closer or wider view of the subject.
FOCUS buttons - adjust the focus of the camera.
Speed buttons - Adjust the moving speed of the selected PTZ camera.
PTZ OSD menu / patrol / auto pan – Using OSD menu to control PTZ .The “ ” button is
ok,” ” button is cancel.
Pan and tilt buttons - Adjust the pan and tilt of the selected camera include 45 degree
directional PTZ control at upper right, upper left, button right, button left of PTZ control panel
To set a camera configuration:
1. Select a camera using the numbered buttons (1~16) on the Surveillance Panel.
2. Adjust the Zoom, Focus, Speed, Pan and Tilt buttons until the camera is configured correctly.
3. Press a Set button to save the configuration.
The configuration you have saved can now be recalled with the corresponding Call button.
3.7 PLAY button
Click the PLAY button for playback the recorded files in the hard disk.
PTZ
p
anel

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Function buttons:
1. Bookmark 2. Alarm log 3. Backing up the data
4. Thumbnail Browse 5.Search by Event 6. Search by Text
How to play recording file:
Step1: Select a date from calendar.
Step2: Select an hour from time line.
Step3: Select camera to playback.
Step4: Click anywhere on recording data score
bar to start playback from the required point.
Calendar
Function buttons
Play buttons
Split-screen buttons
Recording data status information
Watermark
Back to live surveillance
Lock file

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Recordingdatastatus:click anywhere on score bar to start playback from the required point.
Select camera: enables you to select which camera images to display on screen.
1. Play buttons:
Use the Play buttons to control playback of stored footage from the cameras.
Step backward Step forward Play Pause Control playback speed(1/8x ~ 4x)
The fastest speed of the single image playback is 4x; slowest speed is 1/8x. Click “+” button once to
double playback from normal. Click “-” button will decrease playback speed.
2. Split-screen display buttons:
Split-screen display buttons enables you to define which split-screen is displayed on screen.
Selectable 4 / 9 / 16 split-screen display. The arrow buttons to cycle through all connected cameras.
3. Brightness/Contrast / Sharpness / Digital Zoom in playback – When pause playback, the brightness;
contrast or sharpness of the image can be adjusted. User can also zoom in specific point of the image to
get clear view.
Brightness Contrast Sharpness Smoothness Zoom-in Restore
Date Color Meaning
Red Have recording data
White No recording data
Square Today’s date
Orange The day that was selected for playback
Click to show normal recording status
Click to show motion detection recording status
Click to show alarm trigger recording status
Lock file: click the score bar under time line can lock
file to keep the file not been erased by HDD cycle
back writing

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4. Status Button
The status panel displays the playback status of the current recording. The aqua line (Data) indicates
record data over an one hour time interval. The yellow bars (Motion) indicate the instance when motion
was detected. The (GPI) indicate when a GPI event was detected. The moving orange line indicates
current playback status. Click anywhere on the Data, Motion, or GPI lines to start playback from that
point.
3.8 Bookmark
User can have bookmarks at the specific time during playback.
3.9 Alarm log
Any alarm will be written into alarm log including motion trigger、GPIO trigger、Disk error、Video loss
、POS event.…..etc. User can search alarm log by specific time and double click one of the alarm log on
the list to playback the video.
Bookmark:
1. During playing recording file user can click
“bookmark” button to mark the specific time
point.
2. User can write down the note and click “Add”
button to save it.
3. Select one of the lists of recording file in
bookmark field and click “play” button to
playback.