Vivotek FD8156 User Manual
Ultra-Mini Dome
FD8156 / 8168
Network Camera
User’s Manual
1.3/2MP • Ultra-Mini Dome • PoE
Rev. 1.0
Rev. 1.0
VIVOTEK
Table of Contents
Overview
Revision History ...................................................................................................................................... 4
Read Before Use ..................................................................................................................................... 5
Package Contents ................................................................................................................................... 5
Symbols and Statements in this Document ............................................................................................. 5
Physical Description ................................................................................................................................ 6
Network Deployment ............................................................................................................................. 13
Software Installation .............................................................................................................................. 16
.....................................................................................................................................................
Ready to Use ...............................................................................................................................17
Accessing the Network Camera
Using Web Browsers ............................................................................................................................. 18
Using RTSP Players .............................................................................................................................. 21
Using 3GPP-compatible Mobile Devices ............................................................................................... 22
Using VIVOTEK Recording Software .................................................................................................... 23
Main Page
Client Settings
Conguration
System > General settings .................................................................................................................... 34
System > Homepage layout ................................................................................................................. 36
System > Logs ...................................................................................................................................... 39
System > Parameters ........................................................................................................................... 41
System > Maintenance .......................................................................................................................... 42
Media > Image .................................................................................................................................... 46
Media > Video ..................................................................................................................................... 52
Media > Audio........................................................................................................................................ 57
Network > General settings ................................................................................................................... 58
Network > Streaming protocols ........................................................................................................... 66
Network > SNMP (Simple Network Management Protocol) ................................................................. 75
Security > User Account ........................................................................................................................ 76
Security > HTTPS (Hypertext Transfer Protocol over SSL) ........................................................77
Security > Access List ......................................................................................................................... 84
PTZ > PTZ settings ............................................................................................................................. 89
Event > Event settings ......................................................................................................................... 93
Applications > Motion detection........................................................................................................... 107
Applications > Tampering detection .................................................................................................... 11 0
Applications > Audio detection ...........................................................................................................111
Applications > VADP (VIVOTEK Application Development Platform) ................................................ 11 3
Recording > Recording settings ......................................................................................................... 11 5
Local storage > SD card management .............................................................................................. 120
Local storage > Content management .............................................................................................. 121
Appendix
URL Commands for the Network Camera ........................................................................................... 124
Technical Specications ...................................................................................................................... 208
Technology License Notice .................................................................................................................. 210
.................................................................................................................................................
..........................................................................................................................................
............................................................................................................................................
................................................................................................................................................
............................................................................................................
18
24
29
33
124
4
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Electromagnetic Compatibility (EMC) ....................................................................................................... 2 11
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Overview
VIVOTEK FD8156/8168 is an ultra-mini fixed dome network camera, specially designed for
indoor applications in which camera appearance is cared, such as luxury stores, antique stores
and cloth shops.
The FD8156/8168 is equipped with a 1.3- or 2-megapixel sensor and the ability to output 30
(FD8156) or 15 (FD8168) frames per second in H.264 compression. It includes multiple streams
with different settings and applications, such as recording or live viewing.
Users can also benefit from simple installation with the compact housing and standard PoE
power input design, as well as a MicroSD card slot for local storage.
Revision History
Rev. 1.0: Initial release.
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i
Read Before Use
The use of surveillance devices may be prohibited by law in your country. The Network Camera
is not only a high-performance web-ready camera but can also be part of a exible surveillance
system. It is the user’s responsibility to ensure that the operation of such devices is legal before
installing this unit for its intended use.
It is important to first verify that all contents received are complete according to the Package
Contents listed below. Take note of the warnings in the Quick Installation Guide before the Network
Camera is installed; then carefully read and follow the instructions in the Installation chapter to
avoid damage due to faulty assembly and installation. This also ensures the product is used
properly as intended.
The Network Camera is a network device and its use should be straightforward for those who
have basic networking knowledge. It is designed for various applications including video sharing,
general security/surveillance, etc. The Configuration chapter suggests ways to best utilize the
Network Camera and ensure proper operations. For creative and professional developers, the URL
Commands of the Network Camera section serves as a helpful reference to customizing existing
homepages or integrating with the current web server.
Package Contents
■ FD8156 / 8168 - the Network Camera
■ Alignment Sticker
■ Mounting bracket
■ Screws / anchors
■ Quick Installation Guide
Symbols and Statements in this Document
INFORMATION: provides important messages or advices that might help prevent
inconvenient or problem situations.
NOTE: Notices provide guidance or advices that are related to the functional integrity of
the machine.
Tips: Tips are useful information that helps enhance or facilitae an installation, function,
or process.
WARNING: or IMPORTANT: These statements indicate situations that can be dangerous
or hazardous to the machine or you.
Electrical Hazard: This statement appears when high voltage electrical hazards might
occur to an operator.
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Physical Description
Lens retention screw
Lens
Reset button
Microphone
MicroSD card slot
NOTE:
1. The camera can only be powered by Power over Ethernet (PoE).
2. The camera can only be installed in an indoor environment.
Loosen the retention screw to change
shooting angle.
Before you begin:
You can connect the Ethernet cable to a PC or laptop for a live
view. (See page 10). Raise the camera to the estimated position,
and evaluate the eld of view by turning the mount bracket and
lens.
Status LED
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Shooting
direction
Installation
Ceiling Mount Procedure:
VIVOTEK
1. Attach the alignment sticker to a preferred
location, with the Front mark facing the
shooting direction.
2. Drill a 30mm cabling hole if preferred.
30mm
Front mark
3. Install the mount bracket using the selftapping screws.
Mount bracket
4. Pass the Ethernet cable through the cabling hole or along the wall.
5. Join the camera with the mount bracket by sliding it along the grooves to t into place.
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Wall Mount Procedure:
1. Attach the mount bracket to the wall-mount bracket, with the Front mark facing the shooting
direction. Note that you should turn the bracket to aim the Front mark at the shooting
direction.
2. Attach the alignment sticker to a preferred location.
3. Mark the drill holes and drive screws into the wall. Leave 15mm of the screws off the wall
surface.
4. If preferred, drill a 30mm cabling hole on the wall.
30mm
15mm
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5. Hang the bracket onto the screws. You can then fasten the screws to wall.
VIVOTEK
6. Connect the Ethernet cable and pass cable through the hole. Join the camera with the
bracket by sliding it along the grooves.
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Tune the focus:
Connect the camera to a PC or laptop. Install and use the IW2 utility to discover your
camera on LAN. Double-click on the camera entry to open a web session.
If your image appears to be out of focus, use the included focus adjustment tool to tune the
focus.
Browser
IW2
00-02-D1-73-02-02 192.168.5.151 FD8168
0002D1730202
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Carefully place the tool onto the lens, and turn clockwise or counter-clockwise to adjust the
focus.
NOTE:
Press the release button if you should need to re-install the camera.
Release button
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Hardware Reset
Recessed Reset
Button
The reset button is used to reset the system or restore the factory default settings. Sometimes
resetting the system can return the camera to normal operation. If the system problems remain
after reset, restore the factory settings and install again.
Reset: Press and release the recessed reset button with a straightened paper clip. Wait for the
Network Camera to reboot.
Restore: Press and hold the recessed reset button until the status LED rapidly blinks. Note that
all settings will be restored to factory default. Upon successful restore, the status LED will blink
green and red during normal operation.
Micro SD/SDHC/SDXC Card Capacity
This network camera is compliant with Micro SD/SDHC/SDXC 8GB, 16GB, or 64GB and other
preceding standard SD cards.
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Network Deployment
Power over Ethernet (PoE)
When using a PoE-enabled switch
The Network Camera is PoE-compliant, allowing transmission of power and data via a single Ethernet cable. Follow the below illustration to connect the Network Camera to a PoEenabled switch via Ethernet cable.
PoE Switch
VIVOTEK
POWER
COLLISION
1
2
LINK
RECEIVE
PARTITION
3
4
5
When using a non-PoE switch
Use a PoE power injector (optional) to connect between the Network Camera and a
non-PoE switch.
PoE Power
Injector
(optional)
Non-PoE Switch
POWER
COLLISION
1
LINK
RECEIVE
2
PARTITION
3
4
5
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Internet connection via a router
Before setting up the Network Camera over the Internet, make sure you have a router and follow
the steps below.
1. Connect your Network Camera behind a router, the Internet environment is illustrated below.
Regarding how to obtain your IP address, please refer to Software Installation on page 16 for
details.
IP address : 192.168.0.3
Subnet mask : 255.255.255.0
Default router : 192.168.0.1
Internet
WAN (Wide Area Network )
Router IP address : from ISP
LINK
POWER
COLLISION
RECEIVE
1
2
PARTITION
3
4
5
LAN (Local Area Network)
Router IP address : 192.168.0.1
Cable or DSL Modem
IP address : 192.168.0.2
Subnet mask : 255.255.255.0
Default router : 192.168.0.1
2. In this case, if the Local Area Network (LAN) IP address of your Network Camera is
192.168.0.3, please forward the following ports for the Network Camera on the router.
■ HTTP port: default is 80
■ RTSP port: default is 554
■ RTP port for audio: default is 5558
■ RTCP port for audio: default is 5559
■ RTP port for video: default is 5556
■ RTCP port for video: default is 5557
If you have changed the port numbers on the Network page, please open the ports
accordingly on your router. For information on how to forward ports on the router, please refer
to your router’s user’s manual.
3. Find out the public IP address of your router provided by your ISP (Internet Service Provider).
Use the public IP and the secondary HTTP port to access the Network Camera from the
Internet. Please refer to Network Type on page 58 for details.
For example, your router and IP settings may look like this:
Device IP Address: internal
port
IP Address: External Port (Mapped port on the
router)
Public IP of router 122.146.57.120
LAN IP of router 192.168.2.1
Camera 1 192.168.2.10:80 122.146.57.120:8000
Camera 2 192.168.2.11:80 122.146.57.120:8001
... ... ...
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Congure the router, virtual server or rewall, so that the router can forward any data coming into a precongured port number to a network camera on the private network, and
allow data from the camera to be transmitted to the outside of the network over the same
path.
From Forward to
122.146.57.120:8000 192.168.2.10:80
122.146.57.120:8001 192.168.2.11:80
... ...
When properly congured, you can access a camera behind the router using the HTTP
request as follows: http://122.146.57.120:8000
If you change the port numbers on the Network conguration page, please open the ports
accordingly on your router. For example, you can open a management session with your
router to congure access through the router to the camera within your local network.
Please consult your network administrator for router conguration if you have troubles with
the conguration.
For more information with network conguration options (such as that of streaming ports),
please refer to Conguration > Network Settings. VIVOTEK also provides the automatic
port forwarding feature as an NAT traversal function with the precondition that your router
must support the UPnP port forwarding feature.
Internet connection with static IP
Choose this connection type if you are required to use a static IP for the Network Camera.
Please refer to LAN setting on page 58 for details.
Internet connection via PPPoE (Point-to-Point over Ethernet)
Choose this connection type if you are connected to the Internet via a DSL Line. Please
refer to PPPoE on page 59 for details.
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Software Installation
Installation Wizard 2 (IW2), free-bundled software included on the product CD, helps you set up
your Network Camera on the LAN.
IW
1. Install IW2 under the Software Utility directory from the software CD.
Double-click the IW2 shortcut on your desktop to launch the program.
2. The program will conduct an analysis of your network environment.
After your network environment is analyzed, please click Next to continue the program.
2
Installation
Wizard 2
3. The program will search for all VIVOTEK network devices on the same LAN.
4. After a brief search, the installer window will prompt. Click on the MAC and model name
that matches the one printed on the product label. You can then double-click on the address to
open a management session with the Network Camera.
Network Camera
Model No: FD8168
MAC:0002D1730202
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 may cause undesired operation.
Pat. 6,930,709
R o HS
Made in Taiwan
00-02-D1-73-02-02 192.168.5.151 FD8168
0002D1730202
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Ready to Use
1. A browser session with the Network Camera should prompt as shown below.
2. You should be able to see live video from your camera. You may also install the 32-channel
recording software from the software CD in a deployment consisting of multiple cameras. For
its installation details, please refer to its related documents.
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Accessing the Network Camera
This chapter explains how to access the Network Camera through web browsers, RTSP players,
3GPP-compatible mobile devices, and VIVOTEK recording software.
Using Web Browsers
Use Installation Wizard 2 (IW2) to access the Network Cameras on LAN.
If your network environment is not a LAN, follow these steps to access the Netwotk Camera:
1. Launch your web browser (ex. Microsoft
Chrome).
2. Enter the IP address of the Network Camera in the address eld. Press Enter.
3. The live video will be displayed in your web browser.
4. If it is the rst time installing the VIVOTEK network camera, an information bar will pop up as
shown below. Follow the instructions to install the required plug-in on your computer.
®
Internet Explorer, Mozilla Firefox, or Google
NOTE:
► For Mozilla Firefox or Google Chrome users, your browser will use Quick Time to stream
the live video. If you don’t have Quick Time on your computer, please download it rst, then
launch the web browser.
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► By default, the Network Camera is not password-protected. To prevent unauthorized access,
it is highly recommended to set a password for the Network Camera.
For more information about how to enable password protection, please refer to Security on
page 76.
► If you see a dialog box indicating that your security settings prohibit running ActiveX
®
Controls, please enable the ActiveX
Controls for your browser.
®
1. Choose Tools > Internet Options > Security > Custom Level.
2. Look for Download signed ActiveX® controls; select Enable or Prompt. Click OK.
3. Refresh your web browser, then install the ActiveX
®
control. Follow the instructions to
complete installation.
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IMPORTANT:
1. Currently the Network Camera utilizes 32-bit ActiveX plugin. You CAN NOT open a
management/view session with the camera using a 64-bit IE browser.
2. If you encounter this problem, try execute the Iexplore.exe program from C:\Windows\
SysWOW64. A 32-bit version of IE browser will be installed.
3. On Windows 7, the 32-bit explorer browser can be accessed from here:
C:\Program Files (x86)\Internet Explorer\iexplore.exe
NOTE:
1. For a megapixel camera, it is recommended to use monitors of the 24" size or larger,
and are capable of 1600x1200 or better resolutions.
2. Below are the defaults for Audio settings:
For cameras with built-in microphone: Not Muted.
For cameras without built-in microphone: Muted.
To receive audio input from external microphone, you may need to enable the audio
input from Media > Audio. Refer to page 57 for more information.
Tips:
• The onscreen Java control can malfunction under the following situations:
A PC connects to different cameras that are using the same IP address (or the same
camera running different rmware versions). Removing your browser cookies will solve
this problem.
• In the event of plug-in compatibility issues, you may try to uninstall the plug-in that was
previously installed.
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Using RTSP Players
To view the MPEG-4 streaming media using RTSP players, you can use one of the following
players that support RTSP streaming.
Quick Time Player
VLC Player
VLC media player
1. Launch the RTSP player.
mpegable Player
2. Choose File > Open URL. A URL dialog box will pop up.
3. The address format is rtsp://<ip address>:<rtsp port>/<RTSP streaming access name for
pvPlayer
stream #1, #2, #3, or #4>
As most ISPs and players only allow RTSP streaming through port number 554, please set the
RTSP port to 554. For more information, please refer to RTSP Streaming on page 67.
For example:
rtsp://192.168.5.151:554/live.sdp
4. The live video will be displayed in your player.
For more information on how to configure the RTSP access name, please refer to RTSP
Streaming on page 67 for details.
Video 16:38:01 2014/3/25
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Using 3GPP-compatible Mobile Devices
To view the streaming media through 3GPP-compatible mobile devices, make sure the Network
Camera can be accessed over the Internet. For more information on how to set up the Network
Camera over the Internet, please refer to Setup the Network Camera over the Internet on page
13.
To utilize this feature, please check the following settings on your Network Camera:
1. Because most players on 3GPP mobile phones do not support RTSP authentication, make
sure the authentication mode of RTSP streaming is set to disable.
For more information, please refer to RTSP Streaming on page 67.
2. As the the bandwidth on 3G networks is limited, you will not be able to use a large video size.
Please set the video and audio streaming parameters as listed below.
For more information, please refer to Stream settings on page 52.
Video Mode H.264
Frame size 176 x 144
Maximum frame rate 5 fps
Intra frame period 1S
Video quality (Constant bit rate) 40kbps
Audio type (G.711) PCMU
3. As most ISPs and players only allow RTSP streaming through port number 554, please set
the RTSP port to 554. For more information, please refer to RTSP Streaming on page 67.
4. Launch the player on the 3GPP-compatible mobile devices (e.g., VLC Player).
5. Type the following URL commands into the player.
The address format is rtsp://<public ip address of your camera>:<rtsp port>/<RTSP streaming
access name for stream # with small frame size and frame rate>.
For example:
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Using VIVOTEK Recording Software
The product software CD also contains an ST-7501 recording software, allowing simultaneous
monitoring and video recording for multiple Network Cameras. Please install the recording
software; then launch the program to add the Network Camera to the Channel list. For detailed
information about how to use the recording software, please refer to the user’s manual of the
software or download it from http://www.vivotek.com.
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Main Page
This chapter explains the layout of the main page. It is composed of the following sections:
VIVOTEK INC. Logo, Host Name, Camera Control Area, Configuration Area, Menu, and Live
Video Window.
VIVOTEK INC.
Logo
Camera Control
Area
Hide Button
Resize Buttons
Host Name
Configuration
Area
Live View Window
VIVOTEK INC. Logo
Click this logo to visit the VIVOTEK website.
Host Name
The host name can be customized to t your needs. For more information, please refer to System on page 34.
Camera Control Area
Video Stream: This Network Camera supports multiple streams simultaneously. You can select any
one for live viewing. For more information about multiple streams, please refer to page 52 for detailed
information.
Manual Trigger: Click to enable/disable an event trigger manually. Please configure an event setting
on Application page before enable this function. A total of 3 event settings can be congured. For more
information about event setting, please refer to page 92. If you want to hide this item on the homepage,
please go to Conguration> System > Homepage Layout > General settings > Customized button
to deselect “show manual trigger button”.
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Global View: Click on this item to display the Global View window. The Global View window contains a
full view image (the largest frame size of the captured video) and a oating frame (the viewing region of
the current video stream). The oating frame allows users to control the e-PTZ function (Electronic Pan/
Tilt/Zoom). For more information about e-PTZ operation, please refer to E-PTZ Operation on page 89.
For more information about how to set up the viewing region of the current video stream, please refer to
page 60.
The viewing region of
the current video
stream
The largest frame size
PTZ Panel: This Network Camera supports “digital“ (e-PTZ) pan/tilt/zoom control. Please refer to PTZ
settiings on page 89 for detailed information.
Conguration Area
Client Settings: Click this button to access the client setting page. For more information, please refer to
Client Settings on page 29.
Conguration: Click this button to access the conguration page of the Network Camera. It is suggested
that a password be applied to the Network Camera so that only the administrator can configure the
Network Camera. For more information, please refer to Conguration on page 33.
Language: Click this button to choose a language for the user interface. Language options are available
in: English, Deutsch, Español, Français, Italiano,
日本語
, Português,
簡体中文
, and
繁體中文
. Please
note that you can also change a language on the Conguration page; please refer to page 33.
Hide Button
You can click the hide button to hide the control panel or display the control panel.
Resize Buttons
:
Click the Auto button, the video cell will resize automatically to t the monitor.
Click 100% is to display the original homepage size.
Click 50% is to resize the homepage to 50% of its original size.
Click 25% is to resize the homepage to 25% of its original size.
Live Video Window
■ The following window is displayed when the video mode is set to H.264 / MPEG-4:
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H.264 / MPEG-4 Protocol and Media Options
Video Title
Title and Time
Zoom Indicator
Video (TPC-AV)
Video 17:08:56 2014/01/05
x4.0
2014/01/05 17:08:56
Time
Video and Audio Control Buttons
Video Title: The video title can be congured. For more information, please refer to Video Settings on
page 46.
H.264 / MPEG-4 Protocol and Media Options: The transmission protocol and media options for H.264 /
MPEG-4 video streaming. For further conguration, please refer to Client Settings on page 29.
Time: Display the current time. For further conguration, please refer to Media > Image > Genral settings
on page 46.
Title and Time: The video title and time can be stamped on the streaming video. For further conguration,
please refer to Media > Image > General settings on page 46.
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Video and Audio Control Buttons: Depending on the Network Camera model and Network Camera
conguration, some buttons may not be available.
Snapshot: Click this button to capture and save still images. The captured images will be displayed
in a pop-up window. Right-click the image and choose Save Picture As to save it in JPEG (*.jpg) or BMP
(*.bmp) format.
Digital Zoom: Click and uncheck “Disable digital zoom” to enable the zoom operation. The navigation
screen indicates the part of the image being magnied. To control the zoom level, drag the slider bar. To
move to a different area you want to magnify, drag the navigation screen.
Pause: Pause the transmission of the streaming media. The button becomes the Resume button
after clicking the Pause button.
Stop: Stop the transmission of the streaming media. Click the Resume button to continue
transmission.
Start MP4 Recording: Click this button to record video clips in MP4 file format to your computer.
Press the
Stop MP4 Recording button to end recording. When you exit the web browser, video
recording stops accordingly. To specify the storage destination and le name, please refer to MP4 Saving
Options on page 30 for details.
Volume: When the Mute function is not activated, move the slider bar to adjust the volume on the
local computer.
Mute: Turn off the volume on the local computer. The button becomes the Audio On button after
clicking the Mute button.
Full Screen: Click this button to switch to full screen mode. Press the “Esc” key to switch back to normal
mode.
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■ The following window is displayed when the video mode is set to MJPEG:
Video Title
Title and Time
Video (HTTP-V)
Video 17:08:56 2014/01/05
2014/01/05 17:08:56
Time
Video Control Buttons
Video Title: The video title can be congured. For more information, please refer to Media > Image on
page 46.
Time: Display the current time. For more information, please refer to Media > Image on page 46.
Title and Time: Video title and time can be stamped on the streaming video. For more information, please
refer to Media > Image on page 46.
Video and Audio Control Buttons: Depending on the Network Camera model and Network Camera
conguration, some buttons may not be available.
Snapshot: Click this button to capture and save still images. The captured images will be displayed
in a pop-up window. Right-click the image and choose Save Picture As to save it in JPEG (*.jpg) or BMP
(*.bmp) format.
Digital Zoom: Click and uncheck “Disable digital zoom” to enable the zoom operation. The navigation
screen indicates the part of the image being magnied. To control the zoom level, drag the slider bar. To
move to a different area you want to magnify, drag the navigation screen.
Start MP4 Recording: Click this button to record video clips in MP4 file format to your computer.
Press the
Stop MP4 Recording button to end recording. When you exit the web browser, video
recording stops accordingly. To specify the storage destination and le name, please refer to MP4 Saving
Options on page 30 for details.
Full Screen: Click this button to switch to full screen mode. Press the “Esc” key to switch back to normal
mode.
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Client Settings
This chapter explains how to select the stream transmission mode and saving options on the
local computer. When completed with the settings on this page, click Save on the page bottom
to enable the settings.
H.264 Media Options
H.264 Media Options
Select to stream video or audio data or both. This is enabled only when the video mode is set to H.264 or
MPEG-4.
H.264 Protocol Options
H.264 Protocol Options
Depending on your network environment, there are four transmission modes of H.264 or MPEG-4
streaming:
UDP unicast: This protocol allows for more real-time audio and video streams. However, network
packets may be lost due to network burst trafc and images may be broken. Activate UDP connection
when occasions require time-sensitive responses and the video quality is less important. Note that each
unicast client connecting to the server takes up additional bandwidth and the Network Camera allows up
to ten simultaneous accesses.
UDP multicast: This protocol allows multicast-enabled routers to forward network packets to all clients
requesting streaming media. This helps to reduce the network transmission load of the Network Camera
while serving multiple clients at the same time. Note that to utilize this feature, the Network Camera must
be configured to enable multicast streaming at the same time. For more information, please refer to
RTSP Streaming on page 67.
TCP: This protocol guarantees the complete delivery of streaming data and thus provides better video
quality. The downside of this protocol is that its real-time effect is not as good as that of the UDP protocol.
HTTP: This protocol allows the same quality as TCP protocol without needing to open specic ports for
streaming under some network environments. Users inside a firewall can utilize this protocol to allow
streaming data through.
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MP4 Saving Options
Users can record live video as they are watching it by clicking Start MP4 Recording on the main
page. Here, you can specify the storage destination and le name.
Folder: Specify a storage destination for the recorded video les.
File name prex: Enter the text that will be appended to the front of the video le name.
Add date and time sufx to the le name: Select this option to append the date and time to the end of the
le name.
CLIP_20110628-180853
File name prefix
Date and time suffix
The format is: YYYYMMDD_HHMMSS
Local Streaming Buffer Time
In a busy network, fluctuations in available bandwidth can occur. Video streaming may lag and may
not proceed very smoothly. If you enable this option, video streams from the camera will be temporarily
stored on the computer’s cache memory for a configurable period of time (seconds or milliseconds)
before being played on a web session. This will help you see the streaming more smoothly. If you enter
3000 Millisecond, the streaming will delay for 3 seconds.
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