Hitron HEV0118H User manual

New
H.264 Network Transmitter
User’s Manual
English Version 1.0
Model :
HEV0118H
www.hitron.co.kr
Copyright ⓒ2007 Hitron Systems Inc

WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS
PROCUCT TO RAIN OR MOISTURE. DO NOT INSERTANY METALLIC OBJECT
THROUGH THE VENTILATION GRILLS OR OTHER OPENNINGS ON THE EQUIPMENT.
CAUTION
The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to
alert the user to the presence of uninsulated "dangerous voltage" within the product’s
enclosure that may be of sufficient magnitude to constitute a risk of electric shock.
The exclamation point within an equilateral triangle is intended to alert the user to the
presence of important operating and maintenance (servicing) instructions in the literature
accompanying the appliance.
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3
FCC COMPLIANCE STATEMENT
INFORMATION TO THE USER:THIS EQUIPMENT HAS BEEN TESTED AND FOUND
TO COMPLY WITH THE LIMITS FOR ACLASS A DIGITAL DEVICE, PURSUANT TO PART 15 OF
THE FCC RULES. THESE LIMITS ARE DESIGNED TO PROVIDE REASONABLE PROTECTION
AGAINST HARMFUL INTERFERENCE WHEN THE EQUIPMENT IS OPERATED IN A
COMMERCIAL ENVIRONMENT. THIS EQUIPMENT GENERATES, USES, AND CAN RADIATE
RADIO FREQUENCY ENERGY AND IF NOT INSTALLED AND USED IN ACCORDANCE WITH
THE INSTRUCTION MANUAL, MAY CAUSE HARMFUL INTERFERENCE TO RADIO
COMMUNICATIONS.
OPERATION OF THIS EQUIPMENT IN A RESIDENTIAL AREA IS LIKELY TO CAUSE HARMFUL
INTERFERENCE IN WHICH CASE THE USER WILL BE REQUIRED TO CORRECT THE
INTERFERENCE AT HIS OWN EXPENSE.
INFORMATION TO THE USER:THIS EQUIPMENT HAS BEEN TESTED AND FOUND
TO COMPLY WITH THE LIMITS FOR A CLASS A DIGITAL DEVICE, PURSUANT TO PART 15 OF
THE FCC RULES. THESE LIMITS ARE DESIGNED TO PROVIDE REASONABLE PROTECTION
AGAINST HARMFUL INTERFERENCE WHEN THE EQUIPMENT IS OPERATED IN A
COMMERCIAL ENVIRONMENT. THIS EQUIPMENT GENERATES, USES, AND CAN RADIATE
RADIO FREQUENCY ENERGY AND IF NOT INSTALLED AND USED IN ACCORDANCE WITH
THE INSTRUCTION MANUAL, MAY CAUSE HARMFUL INTERFERENCE TO RADIO
COMMUNICATIONS.
OPERATION OF THIS EQUIPMENT IN A RESIDENTIAL AREA IS LIKELY TO CAUSE HARMFUL
INTERFERENCE IN WHICH CASE THE USER WILL BE REQUIRED TO CORRECT THE
INTERFERENCE AT HIS OWN EXPENSE.
CAUTION:CHANGES OR MODIFICATIONS NOT EXPRESSLY APPROVED BY THE PARTY
RESPONSIBLE FOR COMPLIANCE COULD VOID THE USER'S AUTHORITY TO OPERATE
THE EQUIPMENT.
THIS CLASS A DIGITALAPPARATUS COMPLIES WITH CANADIAN ICES-003.
CET APPAREIL NUMERIQUE DE LA CLASSE A SET CONFORME A LA NORME NMB-003 DU
CANADA.
CE COMPLIANCE STATEMENT
WARNING: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.

IMPORTANT SAFETY INSTRUCTIONS
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings. Install in accordance with the manufacturer’s
instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or
other apparatus (including amplifiers) that produce heat.
9. Do not defeat the safety purpose of the polarized or grounding-type plug. A
polarized plug has two blades with one wider than the other. A grounding type plug
has two blades and a third grounding prong. The wide blade or the third prong are
provided for your safety. If the provided plug does not fit into your outlet, consult an
electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched particularly at plugs,
convenience receptacles, and the point where they exit from the apparatus.
11. Only use attachments/accessories specified by the manufacturer.
12. Use only with the cart, stand, tripod, bracket, or table
specified by the manufacturer, or sold with the apparatus.
When a cart is used, use caution when moving the
cart/apparatus combination to avoid injury from tip-over.
13. Unplug this apparatus during lightning storms or when
unused for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is
required when the apparatus has been damaged in any way,
such as power-supply cord or plug is damaged, liquid has been moisture, does not
operate normally, or has been dropped.
15. CAUTION – THESE SERVICING INSTRUCTIONS ARE FOR USE BY
QUALIFIED SERVICE PERSONNEL ONLY. TO REDUCE THE RISK OF
ELECTRIC SHOCK DO NOT PERFORM ANY SERVICING OTHER THAN
THAT CONTAINED IN THE OPERATING INSTRUCTIONS UNLESS YOU
QRE QUALIFIED TO DO SO.
16. Use satisfy clause 2.5 of IEC60950-1/UL60950-1 or Certified/Listed
Class 2 power source only.
17. ITE is to be connected only to PoE networks without routing to the outside
plant.
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Table of Contents
1. Product Description…………………………………………………………………………………………………6
2. Installation……………………………………………………..........................…………..…………………9
3. Operation……………………………………………………………………………………………………….….10
3.1 Access from a browser ……………………………………………………………………………….….10
3.2 Access from the internet ………………………………………………………………………………..11
3.3 Setting the admin password over a secure connection…………………………….…….…11
3.4 Live View Page ………………………………………………………………………………………………12
3.5 Setup...………………………………………………………………………………………………………...14
3.5.1 Basic Configuration…………………………………………………………………….…………...14
3.5.1.1 Users…………………………………………………………………………………….………...14
3.5.1.2 Network……………………………………………………………………………….…………...15
3.5.1.3 Video & Image..……………………………………………….……………………………...16
3.5.1.4 Audio..…..……………………………………………………….……………………………....19
3.5.1.5 Date & Time….……………………………………………………………………….………...20
3.5.2 Live View..………….………..……………………………………………………………………....21
3.5.3 Video & Image..……………..……………………………………………………………………....22
3.5.4 Audio..……………………………….………………………………………………………………....26
3.5.5 Event.……………………………….………………………………………………………………....27
3.5.5.1 Event In..………………………………………………………….…………………………....27
3.5.5.1 Event Out..……………………………………………………….…………………………....32
3.5.5.1 Event Map..……………………………………………………….…………………………....39
3.5.6 Device..……………………………….………………………………………………………………... 41
3.5.7 System……………………………………………………………………………………….………...43
3.5.7.1 Security..…………………………………………………………….…………………………....43
3.5.7.2 Date & Time..…………………………………………………………………….………….....46
3.5.7.3 Network..……………………………………………………………………….…………….....47
3.5.7.4 Language..……………….…………………………………….……………………………......54
3.5.7.5 Maintenance..……………..………………………………….…..........................…....55
3.5.7.6 Support............……………………………………….........................….…………....56
3.5.7.7 About..………………………..…………………………………………………….….………....56
3.6 PTZ Control......……………….……..…………………………………………………….….………....57
3.7 Help…………………………………………… ……………………………………………………………....58
3.8 Resetting to the factory default settings………………….……………………………………....59
4. Appendix ……………………………………………………………..……………………………………….……60
4.1. Troubleshooting.…………………………...………………………………………………….…….……60
4.2. Preventive Maintenance..………………………..........................….…………………….……60
4.3. Product Specification…..………………………………………………………………..….….....……61

1. Product Description
This manual applies to the Network Transmitter.
The Network Transmitter supports the network service for an existing analog camera. An
analog image entered can be monitored on a real-time screen regardless of distances and
locations. By using its dedicated program, many users are able to have an access to the
Network Transmitter at once or a single user can monitor various network transmitters at
the same time. It also enables users to play, store and retrieve a monitoring image by using
a PC. All the settings and real-time monitoring screens are also provided through an access
to the web.
The Network Transmitter is a one-port video transmitter including two-way audio, fully
featured for security surveillance and remote monitoring needs. It is based on the DSP
compression chip, and can digitize one analog video source and make it available on the
network as real-time, full frame rate Motion JPEG and H.264 (or MPEG-4) video streams.
The Network Transmitter is equipped with RS-485 port for connecting third party PTZ
systems. The alarm input and alarm output can be used to connect various third party
devices, such as, door sensors and alarm bells.
Components
The system comes with the following components:
NetworkTransmitterunit InstallationCD User’sGuide
MountingBracket MountingScrews
Note: Check your package to make sure that you received the complete system, including
all components shown above.
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Key Features
• Brilliant video quality
The Network Transmitter offers the highly efficient H.264 video compression, which
drastically reduces bandwidth and storage requirements without compromising image
quality. Motion JPEG is also supported for increased flexibility.
• Dual streams
The Network Transmitter can deliver dual video streams simultaneously at full frame rate in
all resolutions up to D1 (720x480 in NTSC, 720x576 in PAL) using Motion JPEG and H.264
(or MPEG-4). This means that several video streams can be configured with different
compression formats, resolutions and frame rates for different needs.
• Image setting adjustment
The Network Transmitter also enables users to adjust image settings such as contrast,
brightness and saturation to improve images before encoding takes place.
• Intelligent video capabilities
The Network Transmitter includes intelligent capabilities such as enhanced video motion
detection. The encoder’s external inputs and outputs can be connected to devices such as
sensors and relays, enabling the system to react to alarms and activate lights or open/close
doors.
• Power over Ethernet
Support for Power over Ethernet (IEEE802.3af) enables the unit, as well as the analog
camera that is connected to it, to receive power through the same cable as for data
transmission. This makes for easy installation since no power outlet is needed.
• Audio support and USB port
The Network Transmitter also supports two-way audio and has an USB port for local
recording or system upgrade.
• Improved Security
The Network Transmitter logs all user access, and lists currently connected users. Also, its
full frame rate video can be provided over HTTPS.

Overview
• Front Panel
NO Function Description
1 USB One USB port is provided to connect external USB
memory stick for archiving video or system upgrade.
2 Reset Button Press this button to restore the factory default settings
3 Network Indicator Lights when a remote user is connected to the unit.
4 Power Indicator
Lights when the power is on.
Steady amber durin
g
bootin
g
and flash amber durin
g
factory default.
Steady green for normal operation and steady red fo
r
failed upgrade.
• Rear Panel
NO Function Description
1 Power adaptor
connector Connects the supplied power adapter or an external
power supply 12V DC or 24V AC, max. 5W.
2 Network
connector(PoE) RJ-45 port compatible with 10/100Mbps, which have a PoE function.
3 8-pin I/O terminal Connects RS485, alarm input and output.
4 Audio In/Out Connects the port to the microphone and speaker, which
have an amplifier function.
5 Video In/Out Connects the video input and output.
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2. Installation
For the operation of the Network Transmitter, it is necessary to connect a network cable for
data transmission, power connection from supplied power adapter and connect a general
analog camera. Depending on operation methods, it is possible to connect an alarm cable
or audio cable additionally. For its fixation on different locations, please consult with an
installer.
Network Connection
The Network Transmitter supports the operation through the network. Therefore, it is
necessary to connect a standard RJ-45 cable to it. Generally a cross-over cable is used for
directly connection to PC, while a direct cable is used for connection to a hub.
IP Assignment
When a camera, Encoder or Decoder is first connected to the network it has no IP address.
So, it is necessary to allocate an IP address to the device with the “Smart Manager” utility
on the CD.
1. Connect the Network Transmitter / device to the network and power up.
2. Start Smart Manager utility (All Programs> Smart Manager > SmartManager), the
main window will be displayed, after a short while any network devices connected to
the network will be displayed in the list.
3. Select the Network Transmitter on the list and click the right button of the mouse. You
can see the popup menu as below.
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4. Selecting the “Assign IP” in the popup menu displays the following window. Enter a
proper IP address and click the OK button.
The description of each field for the connection in the SmartManager window status follows.
: Available for connection to the camera
: Loading settings information of video after connecting the camera.
: Connectable to the camera but fixed security settings (password)
: Unavailable for connection to the camera (PC can not access relevant IP Address)
Note: For more information, refer to the Smart Manger User’s Manual.
3. Operation
The Network Transmitter can be used with Windows operating system and browsers. The
recommended browsers are Internet Explorer, Safari, Firefox and Google Chrome with
Windows.
Notes: To view streaming video in Microsoft Internet Explorer, set your browser to allow
ActiveX controls.
3.1 Access from a browser
1. Start a browser (Internet Explorer).
2. Enter the IP address or host name of the Network Transmitter in the Location / Address
field of your browser.
3. You can see a starting page. Click Live View or Setup to enter web page.
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4. The encoder’s Live View page appears in your browser.
3.2. Access from the internet
Access from the internet Once connected, the Network Transmitter is accessible on your
local network (LAN). To access the video encoder from the Internet you must configure
your broadband router to allow incoming data traffic to the video encoder. To do this,
enable the NAT-traversal feature, which will attempt to automatically configure the router
to allow access to the video encoder. This is enabled from Setup>System>Network>NAT.
For more information, please see NAT traversal (port mapping) for IPv4, on page 46.
3.3 Setting the admin password over a secure connection
T
o
g
ain access to the product, the password for
t
he default administrator user must be set. This
is done in the “Admin Password” dialog, which is
displayed when the network transmitter is
accessed for the setup at the first time. Enter
y
our admin name and password, set by the
administrator.
Note: The default administrator username and
password is “admin”. If the password is lost, the
Network Camera must be reset to the factory
default settings. See “3.8 Resetting to the Factory
Default Settin
g
s
”
.
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To prevent network eavesdropping when setting the admin password, this can be done via

an encrypted HTTPS connection, which requires an HTTPS certificate (see note below).
To set the password via a standard HTTP connection, enter it directly in the first dialog
shown below. To set the password via an encrypted HTTPS connection, see Setup>System
>Security>HTTPS, on page 44.
Note:
HTTPS (Hypertext Transfer Protocol over SSL) is a protocol used to encrypt the traffic
between web browsers and servers. The HTTPS certificate controls the encrypted exchange
of information. The default administrator user cannot be deleted.
3.4 Live View Page
T
he live view pa
g
e comes in ei
g
ht
screen modes like 704x480(576),
704x240(288), 352x240(288),
176x120(144), 640x480, 320x240,
and 160x120. Users are allowed to
select the most suitable one out of
t
hose modes. Please, ad
j
ust the
mode in accordance with your PC
specifications and monitorin
g
purposes.
• General controls
The video drop-down list allows you to select a customized or pre-
programmed video stream on the live view page. Stream profiles are configured under
Setup > Basic Configuration > Video & Image. See Basic Configuration, on page 15 for
more information.
The resolution drop-down list allows you to select the most suitable
one out of video resolutions to be displayed on live view page.
The protocol drop-down list allows you to select which combination of
protocols and methods to use depends on your viewing requirements, and on the
properties of your network.
The preset drop-down list allows you to select the preset number for the
PTZ camera being used. This icon is inactivated if the PTZ settings are not set.
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• Control toolbar

The live viewer toolbar is available in the web browser page only. It displays the following
buttons:
The Stop button stops the video stream being played. Pressing the key again toggles the
start and stop. The Start button connects to the network transmitter or start playing a
videostream.
The Pause button pause the video stream being played.
The Snapshot button takes a snapshot of the current image. The location where the
image is saved can be specified.
The Digital Zoom button activates a zoom-in or zoom-out function for video image on
the live screen.
The Full Screen button causes the video image to fill the entire screen area. No other
windows will be visible. Press the 'Esc' button on the computer keyboard to cancel full
screenview.
The Manual Trigger button activates a pop-up window to manually start or stop the
event.
The PTZ button activates a pop-up window for Pan, Tilt and Zoom control.
Use this scale to control the volume of the speakers.
Use this scale to control the volume of the microphone.
Use this scale to control the volume of the speakers and microphones.
• Pan/Tilt/Zoom controls
If the Network Transmitter has been appropriately configured, the Live View page displays
the controls available for the installed Pan Tilt Zoom (PTZ) device. The administrator can
enable/disable the controls for specified users.
Please see “3.6 PTZ Control” for more information.
• Video and Audio Streams
The video encoder provides several images and video stream formats. Your requirements
and the properties of your network will determine the type you use.
The Live View page in the video encoder provides access to H.264, MPEG-4 and Motion JPEG video
streams, and to the list of available video streams. Other applications and clients can also access
these video streams/images directly, without going via the Live View page.
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3.5 Setup

This section describes how to configure the network transmitter, and is intended for product
Administrators, who have unrestricted access to all the Setup tools; and Operators, who
have access to the settings for Basic, Live View, Video & Image, Audio, Event, and System
Configuration.
You can configure the network transmitter by clicking Setup in the top right-hand corner of
the Live View page. Click on this page to access the online help that explains the setup
tools.
W
hen accessin
g
the Network Transmitter for the
f
irst time, the
“
Admin Password” dialog appears.
Enter your admin name and password, set by the
administrator.
Note: If the password is lost, the Network
Camera must be reset to the factory default
settin
g
s. See “3.8 Resetting to the Factory
Default Settin
g
s
”
.
3.5.1 Basic Configuration
3.5.1.1 Users
User access control is enabled by default. An administrator can set up other users, by giving
these user names and passwords. It is also possible to allow anonymous viewer login,
means that anybody may access the Live View page, as described below:
which
The user list displays the authorized users and user groups (levels):
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User Group Authority
Guest Provides the lowest level of access, which only allows access to the
Live View page.
Operator An operator can view the Live View page, create and modify events,
and adjust certain other settings. Operators have no access to
System Options.
Administrator An administrator has unrestricted access to the Setup tools and can
determine the registration of all other users.
• Enable anonymous viewer login: Check the box to use the webcasting features. Refer to
“3.5.3 Video & Image” for more details.
3.5.1.2 Network
The network transmitter support both IP version 4 and IP version 6. Both versions may be
enabled simultaneously, and at least one version must always be enabled. When using IPv4,
the IP address for the video encoder can be set automatically via DHCP, or a static IP
address can be set manually. If IPv6 is enabled, the video encoders receive an IP address
according to the configuration in the network router. There is also the option of using the
Internet Dynamic DNS Service. For more information on setting the IP address, please see
Setup> System>Security>Network.
• Obtain IP address via DHCP - Dynamic Host Configuration Protocol (DHCP) is a protocol
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that lets network administrators centrally manage and automate the assignment of IP

addresses on a network. DHCP is enabled by default. Although a DHCP server is mostly
used to set an IP address dynamically, it is also possible to use it to set a static, known IP
address for a particular MAC address.
• Use the following IP address - To use a static IP address for the Network Transmitter,
check the radio button and then make the following settings:
-. IP address - Specify a unique IP address for your Network Transmitter.
-. Subnet mask - Specify the mask for the subnet the Network Transmitter is located on.
-. Default router - Specify the IP address of the default router (gateway) used for
connecting devices attached to different networks and network segments.
Note:
1. DHCP should only be enabled if using dynamic IP address notification (see below), or if
your DHCP server can update a DNS server, which then allows you to access the
Network Transmitter by name (host name). If DHCP is enabled and you cannot access
the unit, you may have to reset it to the factory default settings and then perform the
installation again.
2. The ARP/Ping service is automatically disabled two minutes after the unit is started, or
as soon as an IP address is set.
3. Pinging the unit is still possible when this service is disabled.
3.5.1.3 Video & Image
• Video Setting
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17
-. Codec
The codec settings are separated into MPEG4 and H.264.
H.264 is also known as MPEG-4 Part 10. This is the new generation compression standard for
digital video. This function offers higher video resolution than Motion JPEG or MPEG-4 at the same
bit rate and bandwidth, or the same quality video at a lower bit rate.
-. Profile
There are 4 pre-programmed stream profiles available for quick set-up.
Choose the form of video encoding you wish to use from the drop-down list:
* H.264 MP(Main Profile):
Primarily for low-cost applications that requires additional error robustness, this profile
is used rarely in videoconferencing and mobile applications, it does add additional error
resilience tools to the Constrained Baseline Profile. The importance of this profile is
fading after the Constrained Baseline Profile has been defined.
* H.264 BP(Base Profile):
Originally intended as the mainstream consumer profile for broadcast and storage
applications, the importance of this profile faded when the High profile was developed
for those applications.
* MPEG4 SP(Simple Profile):
Mostly aimed for use in situations where low bit rate and low resolution are mandated
by other conditions of the applications, like network bandwidth, device size etc.
* MPEG4 ASP(Advanced Simple Profile):
Its notable technical features relative to the Simple Profile, which is roughly similar to
H.263, including "MPEG"-style quantization, interlaced video, B pictures (also known as
B Frames), Quarter Pixel motion compensation (Qpel), Global motion compensation
(GMC).
-. Resolution
It enables users to determine a basic screen size when having an access through the Web
Browser or PC program. The screen size control comes in seven modes like
4CIF(704x480), 2CIF(704x240), CIF(352x240), QCIF(176x120), VGA(640x480),
QVGA(320x240), and QQVGA(160x120). Users can reset the selected screen size anytime
while monitoring the screen on a real-time basis.
-. Bitrate control
Limiting the maximum bit rate helps control the bandwidth used by the H.264 or MPEG-4
video stream. Leaving the Maximum bit rate as unlimited maintains consistently good
image quality but increases bandwidth usage when there is more activity in the image.
Limiting the bit rate to a defined value prevents excessive bandwidth usage, but images
are lost when the limit is exceeded.
Note that the maximum bit rate can be used for both variable and constant bit rates.
The bitrate can be set as Variable Bit Rate (VBR) or Constant Bit Rate (CBR). VBR adjusts
the bit rate according to the image complexity, using up bandwidth for increased activity
in the image, and less for lower activity in the monitored area.
CBR allows you to set a fixed target bitrate that consumes a predictable amount of
bandwidth. As the bit rate would usually need to increase for increased image activity,

18
but in this case cannot, the frame rate and image quality are affected negatively. To
partly compensate for this, it is possible to prioritize either the frame rate or the image
quality whenever the bit rate needs to be increased. Not setting a priority means the
frame rate and image quality are equally affected.
-. Compression
When it is necessary to adjust a smooth transmission status according to network
situations, users can increase the compressibility to carry out the network transmission
stably. On the other hand, when it is necessary to maintain a detailed monitoring screen
by enhancing the image quality, users can do so by decreasing the compressibility. In
ease case, please adjust this function according to the network status and monitoring
purposes. The default is 2000(Kbps).
-. Framerate
Upon the real-time play, users should select a frame refresh rate per second. If the rate is
high, the image will become smooth. On the other hand, if the rate is low, the image will
not be natural but it can reduce a network load.
-. GOP size
Select the GOP(Group of Picture) size. If users want to have a high quality of fast image
one by one, please decrease the value. For the purpose of general monitoring, please do
not change a basic value. Such act may cause a problem to the system performance. For
the details of GOP setting, please contact the service center.
• Image Setting
Sometimes the image size is large due to low light or complex scenery. Adjusting the
frame rate and quality helps to control the bandwidth and storage used by the Motion
JPEG video stream in these situations. Limiting the frame rate and quality optimizes
bandwidth and storage usage, but may give poor image quality. To prevent increased
bandwidth and storage usage, the Resolution, Frame rate, and Frame Quality should be
set to an optimal value.
-. JPEG resolution
Same as the video settings.
-. JPEG framerate
Same as the video settings.
-. JPEG quality
Select the picture quality. If users want to have a high quality of fast image one by one,
please decrease the value. For the purpose of general monitoring, please do not change a
basic value. Such act may cause a problem to the system performance.
When satisfied with the settings, click Save, or click Reset to revert to previously saved
settings.
3.5.1.4 Audio

The Network Transmitter can transmit audio to other clients using an external microphone
and can play audio received from other clients by attaching a speaker. The Setup page has
an additional menu item called Audio, which allows different audio configurations, such as,
full duplex, and simplex.
• Audio Setting
-. Enable audio
Check the box to enable audio in the video stream.
-. Compression type
Select the desired audio Compression format, G726.
-. Sample rate
Select the required Sample rate (number of times per second the sound is sampled). The
higher the sample rate, the better the audio quality and the greater the bandwidth
required.
-. Sound bitrate
Depending on the selected encoding, set the desired audio quality (bitrate). The settings
affect the available bandwidth and the required audio quality.
• Audio Input
Audio from an external line source can be connected to the Line/Mic in jack of the
network transmitter.
-. Input volume
19
If there are problems with the sound input being too low or high, it is possible to adjust

the input gain for the microphone attached to the network transmitter.
• Audio Output
-. Enable full duplex
Check the box to enable Full Duplex mode. It means that you can transmit and receive
audio (talk and listen) at the same time, without having to use any of the controls. This is
just like having a telephone conversation.
This mode requires that the client PC has a sound card with support for full-duplex audio.
Uncheck the box enable Simplex mode. The simplex mode only transmits audio from the
network transmitter to any web client. It does not receive audio from other web clients.
-. Output volume
If the sound from the speaker is too low or high it is possible to adjust the output gain for
the active speaker attached to the network transmitter.
When satisfied with the settings, click Save, or click Reset to revert to previously saved
settings.
3.5.1.5 Date & Time
• Current Server Time
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